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When bulk selecting and deleting, sometime columns don't match rows. eg: subject doesn't match correspondents (sometime additional random contacts are added to correct correspondant) and message panel may not match highlighted "subject" email.

Been using for years...love the product. But this is a new quirk. I have noticed, when I have done hundreds of bulk deletions, deleted messages will be added back in inbox??

Thanks, dmillert@aol.com

(PII redacted by moderator)

problem account : xxx@yahoo.co.jp please answer to yyy@gmail.com from pop --> imap change after go on not receive message, but 'sent massage folder' on web messenger are aligned Thunderbird 'sent mail' . account not error at logon.

Since April 9, 6:14 PM CDT, most folders (e.g., Drafts, Templates, Sent) on my primary laptop in my primary POP email account, [edited]@bdcusa.com, have disappeared; and ALL SUBfolders in my Inbox have disappeared. Over 185,000 emails have vanished overnight!

On my primary laptop, I'm using Thunderbird 149.0.1 (64-bit) on the release update channel, still running 64-bit Windows 10 Professional, and have nothing backed up to the cloud.

Fortunately, on my secondary laptop, I'm using Thunderbird 115.18.0 (32-bit) on the esr update channel, running 32-bit Windows 7 Professional. I say, "fortunately," because ALL folders and emails are still there, so I know they haven't been vaporized!

How do I return all folders and emails for this email account to visibility and access on my primary laptop? Detailed directions appreciated.

So I have Thunderbird set to autosave every 5 mins.

I was drafting an email, where I had written quite a lot of text (as a reply) and for some reason my text went missing and there was no undo in edits

So I quit and went to drafts, nothing there.

I checked and autosave is on for 5 mins.

hit reply again. typed in some text, set a timer for 12 mins, quit.

Again, no save.

So why is "Auto Save ever " x mins not working?

I have tried using both a zip and unzip folders along with a backup folder for moving an export of the calendar. I export file is larger than 2GB and i find no way to make it smaller. or i can not find a way to export a pure csv file. All the above fails on import. please advise

Hello

I have used K9 mailer for perhaps 5 years quite happily - this is my first question please.

In general I use "unified inbox" and sort the messages by "Date". This shows almost all messages sorted by the date/time they were sent, which is what I want. I often turn my tablet off for hours or days and then back on, so arrival time is delayed, but date/time sent is not.

My ReoLink cameras are configured to email me images under certain conditions. these messages always sort to the top, even though they were dated some time back. For example I turned on my tablet today (Monday) for the first time since Saturday, and received much mail. the ReoLink messages sorted right at the top. If I look at "show headers", at the end of the "received" field, it shows the correct original date of saturday morning. but the date/time at the far right of the "unified inbox" display shows the time at which I turned the tablet on and the message was received - only for this message, not for any others.

I am suspecting this may be a reolink problem, but not exactly sure what to tell them.

thanks for the help

Ben

Email older than several weeks in mail subfolders is blank in Thunderbird and looks like binary within buffer D:\WORKSPACE\Computer Tech\Config & Buffers\Thunderbird Stuff\Profiles\dq1ljd8g.default\Mail\Inbox Archive I assume that the mail resembling binary has been compacted, but it appears that Thunderbird cannot un-compact the messages. Need some help, please.

Hello, I have selcted the option "Expunge" under Settings -> Server-Settings -> Message-Storage. The intention was to delete messages from the server of ma Email-Provider (GMX). Unintentionally however, the result was, that instead, the Messages have been deleted from my local computer. Can I recover them? They do not appear in the Recycle Bin.

I am using Version 149.0.2 (64-Bit) on a Windows Computer.

Thank you in advance, Michael Gerkens

I (reluctantly) migrated my xfinity email account to yahoo and in the process of getting Thunderbird to access the yahoo account, it wiped out ALL of my folders. The folders are still there and accessible in yahoo but no longer show up in Thunderbird. Is there an easy way to fix this and get Thunderbird to show the folders? Thanks.

My computer crashed with mozilla open.

when i restarted it i opened up mozilla. I gave an error of unable to write to the email box. I'm not sure if it crashed or I exited out of it at that point. when i reopened it up no error but my primary email box was empty. Years worth of emails that included pictures and other important stuff.

Trash is still there, as are the archive section of the folder.... just everything in the inbox itself is gone.

It didn't throw an error upon reopening, and just downloaded emails from the pop server like normal, except now the fold only consists of the 6 new messages.

Is it just gone? or is there some way to recover it. No i don't back up the mozilla folders, so unless it does it in an automatic way i don't have a backup.

I already tried the fix folder in the properties and it did nothing, likely just seeing hte current 6 emails in the folder as all there was.

I allowed Thunderbird to compact my files after I got tired of seeing the prompts for it, now all my messages are apparently gone for one account, in over 12 different sub folders. How do I get these back’ for ‘Thunderbird’ ? VERY IMPORTANT! version 144.0.1 (64 bit)

This is the second time I have lost emails with Thunderbird.

IT WILL NOT HAPPEN AGAIN, I AM DONE WITH THIS CRAP!

I have Thunderbird on Windows 11. I have been using Local folders for a long time without any problems. I now find that if I try to delete subfolders in Local folders, they reappear as if they had not been deleted. This applies to any mails I have received since 28th January 2026. Could this be associated with a windows update?

昨日の夜を最後に、メールの受信・送信ができなくなりました。 アドレス関係なく、会社のパソコンすべてです。 また、当初は一台だけかと思い、その1台のサンダーバードソフト内で、よく使うアカウントを削除し再登録しようとしましたが、ログインできませんの繰り返しです。'bold text'

I use Thunderbird to store loacally some email from gmail and delete it from the online server.

Until october last year it was working flawless, to day I need to read an old email and I discovered that locally since october of some email is only stored the subject and somtime I only have the ticker that increase in the stored email email, but there is either not title or subject. I didn't change any setting in my computer or in the antivirus,, the only thing is that I perform the update of thunderbird as usual. Is it possible to recover these emails or they are gone forever?

Best regards

I need to automatically apply message filters on all messages when copied to a subfolder (in Local Folders) with other filters from other folders and accounts. I copy e-mails to specific subfolder placed in Local folders from several Inboxes. My filters for this subfolder work but only manually applied. The existing conditions when to apply filters do not cover copying messages (copying is not getting new mail or archiving etc) . When i apply filters manually they work but next time i apply manually again all messages are effected - filters does not work only ones as when getting new mail. Is there any way to create filters working automatically and ones applied on some message not to effect it again when filter applied again to this subfolder?

i would love to get Thunderbird to have the same items as Classic Outlook. I'm 77 years old and I've had a stroke, so I take lots of time writing this. Is there anyone who can help me?

Tom Klima X@sbcglobal.net

(PII redacted by moderator)

I used to be able to drag and drop emails from my inbox into an archive folder. That no longer works. I now have to right click the email, select "move to", then select the account containing the archives, then select "archives", then select the destination archive I need to send it to. On the right click drop-down there's an option to "move to *** again" but if you're moving emails to different archive destinations, that's not very helpful. Is there a setting to reinstate drag and drop?