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Hello,

Is there a method to export my emails in EML format instead of Mbox without using third-party software? Are there any settings in the configuration editor that could change the default Mbox format?

Thank you

Hi, I am trying to import all my emails from Yahoo to GMX and would appreciate your guidance on how to successfully complete this process. I have an existing account with both Yahoo and GMX. I have attempted to use the GMX import feature but have encountered some issues. It would be helpful to understand if there are specific steps or settings I need to follow to ensure a smooth transfer of my emails. Additionally, if there are any limitations or troubleshooting tips that I should be aware of, I would love to hear them. Thank you for your assistance.

What do I have to do to get help in this Forum? This is the second time I've posted a Question seeking help, and yet again it is being ignored. Do I have join some secret clique or group? If so please tell me?

Due to issues with upgrading from Ubuntu 24.04.1 to 26.04.1, I decided to just start from scratch with a new clean install.

After finalising the install, I copied across my Thunderbird data to the new partition, merging directories as the data copied across. But, somewhere in the transfer I lost about the last two years emails, with only emails up until 12/24 being available.

There are a lot a important emails I need to recover, and I'm guessing they're still on my PC, in the old partition, and I desperately need help to recover them.

My mail filesa re huge like 26GB. So I do the copy/paste type transfer for backup. I've done it for years. Today I get this (see attachment) at the end of the "paste" into a backup folder. I hit "skip" Is this an issue? Earlier I did accidentally hit the auto export (zip) b4 reverting to manual

So by skipping this is this going to break my backup so it isn't useable?

Thanks, Jeff K.

My email was rossmann@telkomsa.net My husband died on 25 May 2023 and telkom closed his account. I opened a gmail account. I am now wanting to open a few emails from 2022 regarding contracts but Thunderbird obviously only has my old email. Please could you assist me Kind regards, Chrissie Rossmann

Thunderbird Mail Accounts Not Imported from 5 GB Backup

Hi everyone,

I’m trying to restore my Thunderbird setup from a 5 GB backup/export file.

Thunderbird already recommended that I manually extract the backup file and then import the extracted folder. I followed these instructions, but after importing the folder, none of my mail accounts are restored.

The backup file is about 5 GB in size, so I assume the data is there, but Thunderbird does not recognize or restore the email accounts.

Has anyone experienced this issue? How can I properly restore the mail accounts and their emails from this backup?

Any help would be greatly appreciated. Thanks!

Hello, I retired in June. I asked my employer to allow me to archive my emails before they deactivated my work account. The Director of IT has been very helpful in recommending various apps that can do that. One was enormously expensive. One archived all my emails together (29K) and it is very difficult to locate one separately. The IT Director has also recommended Thunderbird. I have downloaded it but am having difficulty using it. I have saved all my emails using Google Takeout and the emails are saved in an mbox format. If you could help me get started with making sure the Thunderbird default settings are correct, placing the emails into Thunderbird and showing me how to access certain emails (and delete ones I don't need to save), I would greatly appreciate it.

Thank you, Susan Hook

Greetings,

I perform a daily thumb drive backup of Thunderbird in the event that my PC crashes (which it has) so I don't loose emails and contacts. I'm aware of two methods to do this. I've tried both, and one method saves more file folders than the other. My question is: Which is correct to use?

One method is described here: https://support.mozilla.org/en-US/kb/thunderbird-export The other method is accessed from the main page of Thunderbird: Import/Export > Backup, select OK and then the location and folder where you want the data to be transferred.

The first method captures four main folders and other files listed below them. The second method captures ten folders and all of the same files as in the first method.

Because they are different, I'm unsure of which to use and, additionally, why would two methods be offered?

Thank you in advance for your comments and advice.

Hello, I am hoping someone can kindly help me. In the process of copying folders from POP to IMAP in order to make my account accessible on my new Andriod IPad, my sub folders disappeared the next the day on my POP account. I had not yet started to copy sub folders to IMap. I cannot find them in the Trash and I fear I may have deleted anyway. Is there anyway I can find these missing folders? I am sure I did not delete anything except maybe Trash emails. Thank you for any help Martyn

System:

Win 11 Home (lastest updates, also my notebook's latest updates from the manufacturer) Thunderbird version 151.0

Okay, this is a multiple clusterf#@$.

I ended up needing to do a Win 11 Home "reset" keeping data. But I needed to back up some files first. But my back up drive was full. Usually, it's because of EaseUs ToDo not deleting files and just adding and adding to the system backup. But that wasn't the main issue: my Thunderbird profile (which I backup separately) was about 280 GIGABYTES in size! This is an extension of a prior problem for which nobody on here new how to solve and certainly nobody from Mozilla chimed in to help. So I did what I'd done before (but it'd never been like this) and delected a couple of THOUSAND seemingly redundant iterations of files from my profile, but NONE of the folders inside the profile.

Of course the Win11 reset deleted Thunderbird and all the profile information. No big problem, I've done this before...but it didn't work copying in all of the old files (from my backup drive) into a new profile and selecting that profile to boot. So, I went to the "Recycle Bin", undeleted all of those files back into my backed-up profile. But I'm only able to get Thunderbird to see all of my address book information. It is not finding my Thunderbird and email account settings nor my email messages (21 years worth). I 100% did NOT delete my email messages (c:\users\USERNAME\AppData\Roaming\Thunderbird\Profiles\PROFILENAME\Mail).

I can laboriously redo my email account information (five different accounts) and Thunderbird user settings, but I really DESPERATELY NEED HELP restoring my email messages.

PLEASE PLEASE HELP ME!

I'm moving from Windows to Mac. I exported my Profile from the Windows setup to a ZIP. The import to the Mac seemed to go smoothly but the result is I got all my custom headings I'd nested under Inbox (etc.) but none of the contents. The ZIP is well over 1 gig in size so clearly the export caught all but none of the contents imported. '

For example, under Inbox I created a Heading named Receipts that was populated by receipts from purchases. The import added that heading but none of the emails under that Heading.

I tried simply copying the Profile file from the Windows profile folder to the Mac profile folder but that clearly did not work.

I'm on the edge of desperation here. I'd greatly appreciate any and all help.

In reference to the article [[Knowledge Base Article|http://mzl.la/1ApHiU3]], "Move Thunderbird data to a new computer", this misses the transfer of Local Folders.

The instructions only include moving the Thunderbird application data folder with profile information but does not include Local Folders, after completing these instructions the Local Folders will not be present on the new computer.

The path for Local Folders is under Account Settings > Local Folders, this folder needs to be copied to the similar path on the new computer as well.

I have copied emails from a Windows 10 to Windows 11 computer using these instructions and it appears to work.

I asked this question on Google and the AI answer although sounding logical and easy did not work.

I have a number of saved emails that I would like to add to my local folders. Any help will be appreciated.

I am moving the host of my email domain to a different provider and I want to protect my historical emails. I have set up the emails as POP3 so I should have all the emails on my PC, but in the past when I transferred my business email to a new host I didn't back up the database. So, when I put the new email host settings into outlook, it over-wrote the database and all my historical emails were wiped, and it turned out that my back up and archive pst files were both corrupted so couldn't restore them ( I have since managed to retrieve everything but it was a long process I don't want to go through again if I can help it). So I'd like to know where the database is stored so I can duplicate it first. Any help would be appreciated.

Tell me how I can make Thunderbird work for me. As I mentioned, when I try to import data from Outlook 2016 running on Win 7, it brings up a screen saying "Importing... 33%, then freezes". I've tried waiting for half an hour, but the import never completes.

Outlook for Mac will no longer support local folders sometime in October 2026. I need to move my local folders to Thunderbird. I don't see any options for doing this.

Hello, I hope you are doing well.

I spent several hours yesterday and today moving all my Gmail messages to my Yahoo account in Thunderbird on Windows 11 25H2 Home in the United States.

I expected my emails to appear in my account when I logged into the Yahoo Mail site. Instead, my account has no messages at all.

How can I correct this? I don't want to lose all my emails, I want them in Yahoo instead.

NOTE: Please change my email address to JAL1862@yahoo. I am closing my Gmail account by the end of the day on September 30.

Dear Sir or Madam, Critical information is not readily available when one wants to import from Outlook. (I've wasted the better part of a day, discovering these omissions, to the point...I will give Thunderbird one more chance at a successful install, then Gone forever.) (1) Will not work with POP3 connectivity. (2) Will not work with mismatched bit-configurations, i.e., 32-bit vs 64-bit. (3) Will not transfer the format of the Outlet message--contents, yes; format, no (4) When "Cannot file Profile" message appears when trying to import from Outlook---which "Profile" is Thunderbird looking for? [Yahoo! (for those servers under Yahoo!'s control), Outlook, Thunderbird] Not clear at all. I finally gave up on trying to import Outlook, so I entered my Contact information manually. But then, when the "Profile" problem arose, and I created a new Profile...darnit, I lost my Contacts, so I had to enter them all over again.

Oh, I managed to get Thunderbird to work, I think. Verifying my emails were getting downloaded. Now, who knows why, My emails are not coming through into my Inbox.