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I'm trying to move some old folders to Local Folders. They are currently in subfolders of the account, not in inbox. I've right-clicked on the folder and then selected move to>local folders>folder name. They disappear from the imap spot but don't show up under local folders. Can anyone help?

The 'Sent' file in my 'Mail' folder exceeds 3 GB (3,224,360,399 bytes) and is not being read in the TB Mail window. How can I reduce the size of this file AND save messages???

'Sent' message folder IS searchable!!!

Hi there,

My email provider has just migrated my email address to a new server, which all went smoothly in the end. I thought that would be the hard part but it's actually Thunderbird that is giving me headaches.

I can send and receive mails fine but need to set up my Thunderbird folders again and copy in all my old emails. In other words, a new account has been set up for the same email address and I have kept the old account for the same email address until I have copied out everything I need from it.

But copying folders and mails doesn't always work and there seems to be absolutely no logic behind it - sometimes it works and something it doesn't.

Thunderbird won't let me copy my "Customers" folder with 30 subfolders in it so I have to do each of these manually. Again, some work, some don't.

Most of the time, an error message or three pops up because the old address wants me to enter my password again, which is no longer valid. And that usually scuppers any attempt to copy a folder manually.

I have unticked the three boxes under account settings so that it doesn't look for new mails every X minutes, when starting up, etc.

Is there any clever way I can avoid all this? Would it help if I did all this offline?

And does anyone know why the blasted folders are so difficult to copy?!!

Very grateful for any tips - thanks,

Ian

How can I install Thunderbird on an external USB drive for my Mac, and, import an mbox to it (or a bunch of mboxes?) that also lives on that external drive? And keep this email account data disconnected from the original account it came from, that is, do NOT have it sync with Gmail? Perhaps it's best if I describe my situation and the result I'm trying to achieve.... (sorry for the length of this question; I'm trying to be precise and comprehensive at the same time 😬)

Situation: 1. Used macOS Mail for years, to manage a Gmail account 2. Recently used takeout.google.com to download the mbox for this account, which turned out to be 91.01GB (!) 3. I tried using macOS Mail on another computer to open it, and it's not happening; file seems too large; I get an error message saying the Mac's memory has been used up and Mail has stopped working 4. I'm currently waiting for a subsequent Google Takeout download that I expect will consist of many, many mbox files (each mbox corresponding to its own label, according to How to Download/Export Emails with Google Takeout) 5. I have limited space on my computer and would like to avoid accommodating 91.01+GB of historical email data

Desired result: 1. I'm basically trying to create a back-up of all my Gmail emails so that... 2. I can delete a bunch of them, reorganize them, etc. using my macOS Mail program, while being confident that... 3. I can always return to the easily accessible and searchable emails in Thunderbird

Add'l Thoughts/Specific questions: 1. Can I install and run the macOS version of Thunderbird on an external USB thumbdrive by simply dragging the TB app icon to the external drive to start the installation process? 2. Assuming TB has successfully been installed on the external drive, how do I make sure TB knows that the data from the mbox(es) I import should "live" on the external drive as well?

Thank you so much for reading and in advance for your advice.

I have TBird version: 128.6.1 esr (64 bit).

I have several accounts and I want to back up just one of them. However, they all use the same folder (.../.thunderbird/<name>.default) for storage so Export only wants to store this folder. Drilling down using "Browse", I see that below that are all the folders stored as ".../.thunderbird/<name>.default/Mail/<My account>". If I just copy this folder, can I restore this account in the future if I copy it back to this location? I want to retain the contents as the account is going to be closed and removed from its server. Thank you.

Bonjour, J'ai Thunderbird depuis très longtemps et j'ai toujours pris l'habitude de stocker tous mes mails dans le répertoire "Dossiers locaux" qui se trouvait toujours sur un HDD différent de celui ou était installé Thunderbird. A chaque nouvelle installation de Thunderbird, je renseignais le chemin ou était stocké "Dossiers Locaux" et hop en 30s, j'avais tous mes messages archivés depuis des années. Je viens de changer de version de Ubuntu (24.04.3 LTS) et la nouveau Thunderbird (140.7.1 esr), donc comme d'habitude je renseigne le chemin de mon répertoire local "Dossiers Locaux" mais rien ne remonte dans Thunderbird ? J'ai essayé (bidouillé) plein de petits trucs sans succès et je ne m'en sort pas ! Pouvez-vous svp me renseigner ?

Hello, I am trying to move Thunderbird from my old Win 10 computer to a new Win 11 computer.

The problem: the accounts are moved but most are empty (no folder like Inbox, Drafts...) . See images.

I use the this how to: https://support.mozilla.org/en-US/kb/moving-thunderbird-data-to-a-new-computer

I set the same version of Thunderbird on both PC: 128.8.0esr (32-bit) I also tried release versions 136 (64 bits) and 128 (64 bits) on the new computer: same result.

Some idea to solve this?

Best regards

Troubleshooting Information

 Application Basics

   Name: Thunderbird
   Version: 128.8.0esr
   Build ID: 20250304221304
   Distribution ID:

   Update Channel: esr
   User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Thunderbird/128.8.0
   OS: Windows_NT 10.0 19045
   OS Theme:

   Launcher Process: Enabled
   Multiprocess Windows: 0/0
   Fission Windows: 0/0
             Enabled by default
   Remote Processes: 2
   Enterprise Policies: Inactive
   Google Location Service Key: Missing
   Google Safebrowsing Key: Missing
   Mozilla Location Service Key: Missing
   Safe Mode: false
   Memory Size (RAM): 8,0 GB
   Disk Space Available: 198 GB

 Mail and News Accounts
   account1:
     INCOMING: account1, , (pop3) pop.free.fr:995, SSL, passwordEncrypted
     OUTGOING: , smtp.free.fr:465, SSL, passwordEncrypted, true

   account2:
     INCOMING: account2, , (none) Local Folders, plain, passwordCleartext

   account3:
     INCOMING: account3, , (pop3) pop.free.fr:995, SSL, passwordEncrypted
     OUTGOING: , smtp.free.fr:465, SSL, passwordEncrypted, true

   account4:
     INCOMING: account4, , (pop3) pop.free.fr:995, SSL, passwordEncrypted
     OUTGOING: , smtp.free.fr:465, SSL, passwordEncrypted, true

   account5:
     INCOMING: account5, , (pop3) pop.free.fr:995, SSL, passwordEncrypted
     OUTGOING: , smtp.free.fr:465, SSL, passwordEncrypted, true

   account6:
     INCOMING: account6, , (pop3) pop.free.fr:995, SSL, passwordEncrypted
     OUTGOING: , smtp.free.fr:25, plain, passwordCleartext, true

   account7:
     INCOMING: account7, , (pop3) mail41.lwspanel.com:995, SSL, passwordCleartext
     OUTGOING: , mail41.lwspanel.com:465, SSL, passwordCleartext, true

   account8:
     INCOMING: account8, , (pop3) mail41.lwspanel.com:995, SSL, passwordCleartext
     OUTGOING: , mail41.lwspanel.com:465, SSL, passwordCleartext, true

   account10:
     INCOMING: account10, , (pop3) mail41.lwspanel.com:995, SSL, passwordCleartext
     OUTGOING: , mail41.lwspanel.com:465, SSL, passwordCleartext, true

   account11:
     INCOMING: account11, , (pop3) pop.free.fr:995, SSL, passwordEncrypted
     OUTGOING: , smtp.free.fr:465, SSL, passwordEncrypted, true

   account12:
     INCOMING: account12, , (pop3) pop3.bbox.fr:995, SSL, passwordCleartext
     OUTGOING: , smtp.bbox.fr:465, SSL, passwordCleartext, true

   account13:
     INCOMING: account13, , (pop3) mail41.lwspanel.com:995, SSL, passwordCleartext
     OUTGOING: , mail41.lwspanel.com:465, SSL, passwordCleartext, true

 Libraries

     Library
     Status
     Expected minimum version
     Version in use
     Path

       RNP (OpenPGP)
       OK
       0.17.1
       0.17.1.MZLA.128.8.0esr.botan
       C:\Program Files (x86)\Mozilla Thunderbird\rnp.dll

       OTR
       Failed to load. OTR chat encryption will not work.
       -
       -
       -

 Calendar Settings

   Home

     Name
     Value

     Name:
     Type: storage
     Disabled:
     Username:
     URI:
     Refresh Interval:
     Read-only:
     Suppress Alarms:
     Cache Enabled:
     iMIP Identity: id1
     iMIP Disabled:
     iMIP Account:
     Organizer Id:
     Force Email Scheduling:
     Popup Alarms Supported:
     Alarms on Invitation Supported:
     Max Alarms Per Event:
     Attachment Supported:
     Max Categories:
     Privacy State Supported:
     Priority Supported: true
     Event Supported:
     Task Supported:
     Local Time Supported:
     UTC/GMT Supported:
     Auto-Scheduling Supported:

 Crash Reports for the Last 3 Days

 Remote Processes

   Type: Count

     Isolated Web Content: 1
     GPU: 1

 Add-ons

     Name
     Type
     Version
     Enabled
     ID

       French spelling dictionary
       dictionary
       6.3.1webext
       true
       fr-dicollecte@dictionaries.addons.mozilla.org

       Amazon.co.uk
       extension
       1.1
       true
       amazon@search.mozilla.org

       Bing
       extension
       1.0
       true
       bing@search.mozilla.org

       DuckDuckGo
       extension
       1.0
       true
       ddg@search.mozilla.org

       Google
       extension
       1.0
       true
       google@search.mozilla.org

       Wikipedia (en)
       extension
       1.0
       true
       wikipedia@search.mozilla.org

       System theme — auto
       theme
       1.3
       true
       default-theme@mozilla.org

       Dark
       theme
       1.3
       false
       thunderbird-compact-dark@mozilla.org

       Light
       theme
       1.3
       false
       thunderbird-compact-light@mozilla.org

 Security Software

   Type: Name

     Antivirus: Avast Antivirus
     Antispyware:
     Firewall: Pare-feu Windows

 Legacy User Stylesheets

   Active: false
   Stylesheets: No stylesheets found

 Graphics

     Features
     Compositing: WebRender
     Font Visibility Debug Info: Windows Platform
     Asynchronous Pan/Zoom: wheel input enabled; scrollbar drag enabled; keyboard enabled; autoscroll enabled; smooth pinch-zoom enabled
     WebGL 1 Driver WSI Info: outOfProcess: false

inProcess: true EGL_VENDOR: Google Inc. (AMD) EGL_VERSION: 1.5 (ANGLE 2.1.19739 git hash: 419cd2c3213b) EGL_EXTENSIONS: EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_ANGLE_windows_ui_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_stream_producer_d3d_texture EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_CHROMIUM_sync_control EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_display_semaphore_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled EGL_ANDROID_blob_cache EGL_ANDROID_recordable EGL_ANGLE_image_d3d11_texture EGL_ANGLE_create_context_backwards_compatible EGL_KHR_no_config_context EGL_KHR_create_context_no_error EGL_KHR_reusable_sync EGL_EXTENSIONS(nullptr): EGL_EXT_client_extensions EGL_EXT_device_query EGL_EXT_platform_base EGL_EXT_platform_device EGL_ANGLE_platform_angle EGL_ANGLE_platform_angle_d3d EGL_ANGLE_platform_angle_d3d11on12 EGL_ANGLE_platform_angle_device_id EGL_ANGLE_device_creation EGL_ANGLE_device_creation_d3d11 EGL_ANGLE_experimental_present_path EGL_KHR_client_get_all_proc_addresses EGL_KHR_debug EGL_ANGLE_feature_control

     WebGL 1 Driver Renderer: Google Inc. (AMD) -- ANGLE (AMD, AMD Radeon HD 6700 Series Direct3D11 vs_5_0 ps_5_0, D3D11-8.17.10.1404)
     WebGL 1 Driver Version: OpenGL ES 2.0.0 (ANGLE 2.1.19739 git hash: 419cd2c3213b)
     WebGL 1 Driver Extensions: GL_AMD_performance_monitor GL_ANGLE_base_vertex_base_instance GL_ANGLE_base_vertex_base_instance_shader_builtin GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_get_serialized_context_string GL_ANGLE_get_tex_level_parameter GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_memory_size GL_ANGLE_multi_draw GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_provoking_vertex GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_lose_context GL_CHROMIUM_sync_query GL_EXT_EGL_image_external_wrap_modes GL_EXT_base_instance GL_EXT_blend_func_extended GL_EXT_blend_minmax GL_EXT_clip_control GL_EXT_color_buffer_half_float GL_EXT_debug_label GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_draw_elements_base_vertex GL_EXT_float_blend GL_EXT_frag_depth GL_EXT_instanced_arrays GL_EXT_map_buffer_range GL_EXT_multi_draw_indirect GL_EXT_multisampled_render_to_texture GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_sRGB GL_EXT_shader_texture_lod GL_EXT_texture_compression_bptc GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_rgtc GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_norm16 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_texture_type_2_10_10_10_REV GL_EXT_unpack_subimage GL_KHR_debug GL_KHR_parallel_shader_compile GL_KHR_robust_buffer_access_behavior GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_framebuffer_blit GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_compressed_EAC_R11_signed_texture GL_OES_compressed_EAC_R11_unsigned_texture GL_OES_compressed_EAC_RG11_signed_texture GL_OES_compressed_EAC_RG11_unsigned_texture GL_OES_compressed_ETC2_RGB8_texture GL_OES_compressed_ETC2_RGBA8_texture GL_OES_compressed_ETC2_punchthroughA_RGBA8_texture GL_OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture GL_OES_compressed_ETC2_sRGB8_alpha8_texture GL_OES_compressed_ETC2_sRGB8_texture GL_OES_depth24 GL_OES_depth32 GL_OES_draw_elements_base_vertex GL_OES_element_index_uint GL_OES_fbo_render_mipmap GL_OES_get_program_binary GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_border_clamp GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_texture_stencil8 GL_OES_vertex_array_object GL_WEBGL_video_texture
     WebGL 1 Extensions: ANGLE_instanced_arrays EXT_blend_minmax EXT_color_buffer_half_float EXT_float_blend EXT_frag_depth EXT_shader_texture_lod EXT_sRGB EXT_texture_compression_bptc EXT_texture_compression_rgtc EXT_texture_filter_anisotropic MOZ_debug OES_element_index_uint OES_fbo_render_mipmap OES_standard_derivatives OES_texture_float OES_texture_float_linear OES_texture_half_float OES_texture_half_float_linear OES_vertex_array_object WEBGL_color_buffer_float WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_depth_texture WEBGL_draw_buffers WEBGL_lose_context WEBGL_provoking_vertex
     WebGL 2 Driver WSI Info: outOfProcess: false

inProcess: true EGL_VENDOR: Google Inc. (AMD) EGL_VERSION: 1.5 (ANGLE 2.1.19739 git hash: 419cd2c3213b) EGL_EXTENSIONS: EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_ANGLE_windows_ui_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_stream_producer_d3d_texture EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_CHROMIUM_sync_control EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_display_semaphore_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled EGL_ANDROID_blob_cache EGL_ANDROID_recordable EGL_ANGLE_image_d3d11_texture EGL_ANGLE_create_context_backwards_compatible EGL_KHR_no_config_context EGL_KHR_create_context_no_error EGL_KHR_reusable_sync EGL_EXTENSIONS(nullptr): EGL_EXT_client_extensions EGL_EXT_device_query EGL_EXT_platform_base EGL_EXT_platform_device EGL_ANGLE_platform_angle EGL_ANGLE_platform_angle_d3d EGL_ANGLE_platform_angle_d3d11on12 EGL_ANGLE_platform_angle_device_id EGL_ANGLE_device_creation EGL_ANGLE_device_creation_d3d11 EGL_ANGLE_experimental_present_path EGL_KHR_client_get_all_proc_addresses EGL_KHR_debug EGL_ANGLE_feature_control

     WebGL 2 Driver Renderer: Google Inc. (AMD) -- ANGLE (AMD, AMD Radeon HD 6700 Series Direct3D11 vs_5_0 ps_5_0, D3D11-8.17.10.1404)
     WebGL 2 Driver Version: OpenGL ES 3.0.0 (ANGLE 2.1.19739 git hash: 419cd2c3213b)
     WebGL 2 Driver Extensions: GL_AMD_performance_monitor GL_ANGLE_base_vertex_base_instance GL_ANGLE_base_vertex_base_instance_shader_builtin GL_ANGLE_client_arrays GL_ANGLE_copy_texture_3d GL_ANGLE_depth_texture GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_get_serialized_context_string GL_ANGLE_get_tex_level_parameter GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_memory_size GL_ANGLE_multi_draw GL_ANGLE_multiview_multisample GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_provoking_vertex GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_multisample GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_lose_context GL_CHROMIUM_sync_query GL_EXT_EGL_image_external_wrap_modes GL_EXT_base_instance GL_EXT_blend_func_extended GL_EXT_blend_minmax GL_EXT_clip_control GL_EXT_color_buffer_float GL_EXT_color_buffer_half_float GL_EXT_debug_label GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_draw_buffers_indexed GL_EXT_draw_elements_base_vertex GL_EXT_float_blend GL_EXT_frag_depth GL_EXT_instanced_arrays GL_EXT_map_buffer_range GL_EXT_multi_draw_indirect GL_EXT_multisampled_render_to_texture GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_sRGB GL_EXT_shader_texture_lod GL_EXT_texture_compression_bptc GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_rgtc GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_norm16 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_texture_type_2_10_10_10_REV GL_EXT_unpack_subimage GL_KHR_debug GL_KHR_parallel_shader_compile GL_KHR_robust_buffer_access_behavior GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_framebuffer_blit GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_EGL_image_external_essl3 GL_OES_compressed_EAC_R11_signed_texture GL_OES_compressed_EAC_R11_unsigned_texture GL_OES_compressed_EAC_RG11_signed_texture GL_OES_compressed_EAC_RG11_unsigned_texture GL_OES_compressed_ETC2_RGB8_texture GL_OES_compressed_ETC2_RGBA8_texture GL_OES_compressed_ETC2_punchthroughA_RGBA8_texture GL_OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture GL_OES_compressed_ETC2_sRGB8_alpha8_texture GL_OES_compressed_ETC2_sRGB8_texture GL_OES_depth24 GL_OES_depth32 GL_OES_draw_buffers_indexed GL_OES_draw_elements_base_vertex GL_OES_element_index_uint GL_OES_fbo_render_mipmap GL_OES_get_program_binary GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_border_clamp GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_texture_stencil8 GL_OES_vertex_array_object GL_OVR_multiview GL_OVR_multiview2 GL_WEBGL_video_texture
     WebGL 2 Extensions: EXT_color_buffer_float EXT_float_blend EXT_texture_compression_bptc EXT_texture_compression_rgtc EXT_texture_filter_anisotropic MOZ_debug OES_draw_buffers_indexed OES_texture_float_linear OVR_multiview2 WEBGL_compressed_texture_s3tc WEBGL_compressed_texture_s3tc_srgb WEBGL_debug_renderer_info WEBGL_debug_shaders WEBGL_lose_context WEBGL_provoking_vertex
     Direct2D: true
     Target Frame Rate: 60
     DirectWrite: true (10.0.19041.5438)

     GPU #1
     Active: Yes
     Description: AMD Radeon HD 6700 Series
     Vendor ID: 0x1002
     Device ID: 0x68ba
     Driver Version: 15.201.1151.1008
     Driver Date: 11-4-2015
     Drivers: aticfx64 aticfx64 aticfx64 amdxc64 aticfx32 aticfx32 aticfx32 amdxc32 atiumd64 atidxx64 atidxx64 atiumdag atidxx32 atidxx32 atiumdva atiumd6a atitmm64
     Subsys ID: 220c1458
     RAM: 1024

     GPU #2
     Active: No
     RAM: 0

     Diagnostics
     AzureCanvasBackend: direct2d 1.1
     AzureCanvasBackend (UI Process): skia
     AzureContentBackend: skia
     AzureContentBackend (UI Process): skia
     AzureFallbackCanvasBackend (UI Process): skia
     CMSOutputProfile: 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
     Display0: 1920x1080@60Hz scales:1.000000|1.000000
     DisplayCount: 1
     HardwareStretching: both=0 window-only=0 full-screen-only=0 none=1 error=0
     OverlaySupport: NV12=None YUV2=None BGRA8=Software RGB10A2=None
     SwapChainTearingSupport: Supported
     GPUProcessPid: 19056
     Window Device Pixel Ratios: 1
     ClearType Parameters: Gamma: 2.2 Pixel Structure: RGB ClearType Level: 50 Enhanced Contrast: 100
     Font Visibility Debug Info: Windows Platform
     WebGPU Default Adapter: [object Object]
     WebGPU Fallback Adapter: [object Object]

     Decision Log
     HW_COMPOSITING: available by default
     D3D11_COMPOSITING: available by default
     DIRECT2D: available by default
     D3D11_HW_ANGLE: available by default
     GPU_PROCESS: available by default
     WEBRENDER: available by default
     WEBRENDER_COMPOSITOR: available by default
     WEBRENDER_PARTIAL: available by default
     WEBRENDER_SHADER_CACHE: available by default
     WEBRENDER_OPTIMIZED_SHADERS: available by default
     WEBRENDER_ANGLE: available by default
     WEBRENDER_DCOMP_PRESENT: available by default
     WEBRENDER_SCISSORED_CACHE_CLEARS: available by default
     WEBGPU: available by defaultblocked by runtime: WebGPU cannot be enabled in release or beta
     WINDOW_OCCLUSION: available by default
     VIDEO_HARDWARE_OVERLAY: available by default
     VIDEO_SOFTWARE_OVERLAY: available by default
     HW_DECODED_VIDEO_ZERO_COPY: blocked by default: Blocklisted by gfxInfo
     VP8_HW_DECODE: available by default
     VP9_HW_DECODE: available by default
     REUSE_DECODER_DEVICE: available by default
     BACKDROP_FILTER: available by default
     CANVAS_RENDERER_THREAD: available by default
     ACCELERATED_CANVAS2D: disabled by default: Disabled by defaultfailed by runtime: Disabled with non-zero canvas worker threads
     REMOTE_CANVAS: available by default

   Crash Guard Disabled Features

   Workarounds

   Failure Log

 Media

     Audio Backend: wasapi
     Max Channels: 2
     Preferred Sample Rate: 48000
     Roundtrip latency (standard deviation): ...

     Output Devices

       Name
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       Vendor
       State
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       Rate
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       AMD HDMI Output (AMD High Definition Audio Device)
       HDAUDIO\FUNC_01&VEN_1002&DEV_AA01&SUBSYS_00AA0100&REV_1002\5&17bdad&0&0001
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       default: F32LE, support: S16LE F32LE
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       144 - 480

       Audio numérique (SPDIF) (High Definition Audio Device)
       HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_10438410&REV_1003\4&1dde902d&0&0001
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       2
       default: 48000, support: 48000 - 48000
       128 - 480

       Haut-parleurs (High Definition Audio Device)
       HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_10438410&REV_1003\4&1dde902d&0&0001
       Enabled
       All
       default: F32LE, support: S16LE F32LE
       2
       default: 48000, support: 48000 - 48000
       128 - 480

       Audio numérique (SPDIF) (High Definition Audio Device)
       HDAUDIO\FUNC_01&VEN_10EC&DEV_0892&SUBSYS_10438410&REV_1003\4&1dde902d&0&0001
       Enabled
       None
       default: F32LE, support: S16LE F32LE
       2
       default: 48000, support: 48000 - 48000
       128 - 480

     Input Devices

       Name
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       Vendor
       State
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       Format
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     Media Capabilities

     Enumerate database

 Environment Variables

   MOZ_CRASHREPORTER_DATA_DIRECTORY: C:\Users\Moi\AppData\Roaming\Thunderbird\Crash Reports
   MOZ_CRASHREPORTER_EVENTS_DIRECTORY: C:\Users\Moi\AppData\Roaming\Thunderbird\Profiles\b6p5jxph.default\crashes\events
   MOZ_CRASHREPORTER_PING_DIRECTORY: C:\Users\Moi\AppData\Roaming\Thunderbird\Pending Pings
   MOZ_CRASHREPORTER_STRINGS_OVERRIDE: C:\Program Files (x86)\Mozilla Thunderbird\crashreporter-override.ini

 Important Modified Preferences

   accessibility.lastLoadDate: 1545071430
   accessibility.typeaheadfind.flashBar: 0
   browser.cache.disk.amount_written: 816568
   browser.cache.disk.capacity: 1048576
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   extensions.lastAppVersion: 128.8.0
   font.size.fixed.el: 14
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   gfx.crash-guard.d3d11layers.deviceID: 0x68ba
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   idle.lastDailyNotification: 1741712876
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   media.gmp.storage.version.observed: 1
   media.hardware-video-decoding.failed: false
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   network.predictor.cleaned-up: true
   network.trr.blocklist_cleanup_done: true
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   plugin.flash.arch: x86-msvc
   plugin.flash.blockliststate: 4
   plugin.flash.desc: Shockwave Flash 32.0 r0
   plugin.flash.lastmod_hi: 363
   plugin.flash.lastmod_lo: 1290408740
   plugin.flash.path: C:\WINDOWS\SysWOW64\Macromed\Flash\NPSWF32_32_0_0_207.dll
   plugin.flash.version: 32.0.0.207
   privacy.bounceTrackingProtection.hasMigratedUserActivationData: true
   privacy.purge_trackers.date_in_cookie_database: 0
   security.disable_button.openDeviceManager: false
   security.remote_settings.crlite_filters.checked: 1635508139
   security.remote_settings.intermediates.checked: 1635508139
   security.sandbox.content.tempDirSuffix: {7aeb4a8f-901e-4a5e-b2a9-9cd750416a68}
   security.sandbox.plugin.tempDirSuffix: {ae50bcb9-9b7a-4918-9eb4-f4fbe4381046}
   signon.importedFromSqlite: true
   storage.vacuum.last.content-prefs.sqlite: 1740590493
   storage.vacuum.last.index: 2
   storage.vacuum.last.places.sqlite: 1741524480
   ui.osk.debug.keyboardDisplayReason: IKPOS: Touch screen not found.

 Important Locked Preferences

 fission.autostart.session: true

 Places Database

 Accessibility

   Activated: false
   Prevent Accessibility: 0
   Accessible Handler Used:
   Accessibility Instantiator:

 Library Versions

     Expected minimum version
     Version in use

     NSPR
     4.35
     4.35

     NSS
     3.101.3
     3.101.3

     NSSSMIME
     3.101.3
     3.101.3

     NSSSSL
     3.101.3
     3.101.3

     NSSUTIL
     3.101.3
     3.101.3

 Sandbox

   Content Process Sandbox Level: 0
   Effective Content Process Sandbox Level: 1
   Win32k Lockdown State for Content Process: Win32k Lockdown enabled -- default value is true
   GPU Process Sandbox Level: 1

 Startup Cache

   Disk Cache Path: C:\Users\Moi\AppData\Local\Thunderbird\Profiles\b6p5jxph.default\startupCache\startupCache.4.little
   Ignore Disk Cache: false
   Found Disk Cache on Init: true
   Wrote to Disk Cache: false

 Internationalization & Localization

     Application Settings
     Requested Locales: ["en-US"]
     Available Locales: ["en-US"]
     App Locales: ["en-US"]
     Regional Preferences: ["fr-FR"]
     Default Locale: "en-US"

     Operating System
     System Locales: ["fr-FR","en-US"]
     Regional Preferences: ["fr-FR"]

 Remote Debugging (Chromium Protocol)

   Accepting Connections:
   URL:

 Printing

 Modified print settings

   print_printer: Mozilla Save to PDF
   print.printer_Canon_MP270_series_Printer.print_bgcolor: false
   print.printer_Canon_MP270_series_Printer.print_bgimages: false
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   print.printer_Canon_MP270_series_Printer.print_evenpages: true
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   print.printer_Canon_MP270_series_Printer.print_headerright: &U
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I have three email accounts on my computer, one IMAP and two POP. I need to move these accounts to a new Windows 11 computer. I want all of the accounts on the new computer to be IMAP. So I have two POP accounts containing messages that I need to move to IMAP accounts on my new computer.

When I open the profile folder on my current computer it has a MAIL folder and a ImapMail folder. The MAIL folder contains a Local Folder and a pop.1and1.com folder. Each of these subfolders contains the Inbox, Sent, Trash etc. folders that contain the email messages to be moved to the new computer.

I see lots of information on moving the profile but that doesn't address the POP to IMAP conversion issue or the fact there are three different accounts involved.

Jag har köpt ny dator och vill flytta alla lokala mappar och kontakter från mitt gamla Thunderbird till mitt nya. Jag har öppnat profilmappen och försökt kopiera in den, men inget händer!?

I need to import an MBOX file, but every version of ImportExportTools NG says it is incompatible with my version. I checked and it says I am up to date for Thunderbird, version 136.0. What can I do to be able to use ImportExportTools? Or is there another way I can import the files?

Jeg overvejer at droppe Microsoft 365 som indeholder outlook. I den forbindelse vil jeg høre og det er muligt at sikkerhedskopiere opsætning og alle mails som man gør i outlook 365 og hvordan jeg gør det.

I've (finally!) managed to set up a new account on my new PC (having found the required password, a long string of letters - where did that come from? - I would certainly never have chosen that and I was never informed of it). I also successfully managed to transfer my Profile from the old PC to the new one (thanks to your helpful article. However, While I have thousands of 'sent' messages I only have a few in my inbox and sub-folders (i.e. today's). (I originally used the recommended server settings (?IMAP) I was offered but then changed to SMTP/POP which is what I always used before without problems.) So - I go to 'Import from a Thunderbird profile' and it shows me the Profile Name and Directory details, but then says 'Nothing can be imported from the selected source' - but doesn't tell me why not, nor what I should do about it! Given the Profile has transferred successfully, why can't it be accessed? Any ideas appreciated. Thanks, David Collins.

Just got a new pc with windows 11, I used the export from my older Thunderbird to create the file and it worked great, but I messed up when I installed Thunderbird on my new pc, I was so impressed (and curious) that Thunderbird could auto set up my email account, so I let it do it and it worked. I have 3 email accounts and when I used the import I thought it would overwrite the one it just created, but it didn't so I'm missing 3-4 folders I had on that one account It imported the other 2 accounts and folders great Is there a way I can get those folders from the old pc and copy over to the new?

I tried to uninstall Thunderbird from the new pc so I could do it right, only use the import function and get everything, but it doesn't uninstall much, everything is still there. Or is there another way? Thanks.

Hi all! I'm trying to get away from a Google Workspace account, but I need to import my old emails. At the suggestion of my host Hover, I've followed these instructions:

https://support.google.com/a/answer/14339894?sjid=15634570323802523034-NC

and created a bunch of ZIP files in Google Cloud Storage, as shown in the attached screenshot.

1) In the Thunderbird Import tool, I select "import from a file" in Step 1, and then "Import Backed-up Profile (.zip)" in Step 2 - is that correct?

2) In step 3 is to choose a file to import. How do I know which file to select?

3) then in step 4, do I unselect everything except mail messages? That's mostly what is important.

Thank you thank you!

How do I restore selected emails or folders from a backup made with Export? I only want to bring in 30 or so (which were accidentally deleted). I'm using a Windows 11 PC.

I'm nervous about reloading the backup because it was some time ago (and I *really* don't want it to download new emails).

I have followed the Thunderbird video also the instructions given to the reply to the query on 7/20/23, 10:43 PM by "jeff236" but I have been unable to get the data across to my Windows 11 laptop. So have I have spent over 3 hours, on one attempt I copyed only the addresses. I have unistalled Thunderbird and reintalled the programme a number of times on the new PC also used Import option on the new PC but all without success. Please can you help.

Hey guys,

I am relatively new to Thunderbird but I love it so far but...

Second time this has happened and I figured this time its time to fix this correctly.

So emails just vanished in my inbox. Items still in sent and trash and other sub-folders.

I can't tell you exactly the last thing I was doing. But it was either message filtering or deleting unnecessary emails. Then I clicked on another folder and when I moved back to inbox everything was gone. Checked the filter and seems in order.

Everything is still on the host server. How to I recover the emails from the host back to my computer because as far as thunderbird is concerned its already downloaded those email.

Emails are run as POP.

Hi, Can I have in thunderbird several separate local folders whose data is stored in different directories on my hard disk? if yes, how can I configure this? so far I have one lokal folder (next to many email accounts)... and if yes, can I move one of these folders to a different machine with another thunderbird and import it there?

kind regards Chris