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Hello - I'm trying to transition from Outlook desktop to Thunderbird in Widows 11, but the setup fails (just stops) when I try to import my Outlook pst data. Ive tried the Outlook scan and repair tool - no luck. My file is quite large - about 20GB. Is that the issue? Is there a workaround?

Thanks for any suggestions.

I had just started utilising Folders. Today I wanted to move an important email where I could easily find it again. I created a new folder, went to the inbox, clicked on the email in question and moved it to the new folder.

Then I went to the new folder to check that it was there safely and it was and I shut down my laptop.

Later I got home to start work. I looked for the file and the folder was empty. I ran the search that I had run previously and it now returned nothing found. The email had vanished.

I moved some rubbish emails to the same folder, none of them arrived there, all have disappeared and are not to be found in the deleted folders either.

Really annoying and frankly a deal breaker for using this software going forward without a satisfactory solution.

Running Linux Mint on a Lenovo ThinkpadT490 Many thanks

My emails that are in Sent or All Mail are all out out order by date - random - different dates. I don't know what happened? I expect to see the most recent first - just as i do in my inbox. It is ok. They are fine in Gmail - where they come from. Thanks

I have used Thunderbird for a long time?

This has been happening for a long long time - probably a few years' worth of versions. I have just put up with it... currently running Tbird 147 and it just happened.

When editing an email (either the body or the Subject), if you use the backspace button (the one that deletes to the left) to delete some text sometimes the cursor will incorrectly be positioned about 5 or 6 characters further left than it should.

For example, if I had the text: "Quick brown fox jumps over the moon"

If I were to highlight "fox" in the above example, and hit backspace, I would expect the cursor to end up positioned between the remaining spaces after 'brown' ( pipe symbol here is meant to represent the cursor position): "brown | jumps"

But instead what happens is that the cursor ends up somewhere among/before the word "brown". It's always further left than it should be, by 5 or 6 characters.

I believe it only happens when highlighting multiple characters and then hitting backspace. It may be more (only?) prevalent when editing/replying to an existing email. (But I'm still only editing the new portions that I add at the top of the email; I'm almost never editing in amongst the original quoted email content.)

I also haven't ever been able to figure out how to make it happen, sorry. It is just random...It will happen once in an email, but then not again. But it happens frequently - 3-6 times a day perhaps. (Depends on how many emails I am editing.  :) )

I don't believe that I have noticed this issue if I were using the Delete button (deletes things to the right). I don't think it happens when backspacing one character at a time...but it might. I also use Option-Backspace to delete whole words at a time (instead of highlighting the word); not exactly sure if it happens only if highlighting a word, or only if Option-Backspace, or single key press... sorry, it is so random and unexpected that I don't have more specifics.

Tried to send a rather routine email on Outlook account. Wouldn't send. Checked settings. Outgoing server, which I set to smtp-mail.outlook.com, had "magically" changed to an outlook365 server. Switched it back. Still wouldn't send. After some investigation and some suggestions from copilot, I noticed my Surfshark VPN was on. I don't run it all the time, just when I need it to log onto blocked sites. Copilot said: Surfshark is notorious for silently blocking outbound SMTP ports — especially 587, 465, and 25. Switched outgoing port to 465 as suggested by Surfshark support and tried to send again, without Surfshark on. Still wouldn't send. Finally went to outlook.live.com to send the message. Went OK. Kinda baffled. Anyone help?

I recently booted up a new installation of Thunderbird on a new laptop running Fedora Linux after my old Laptop running Ubuntu died. Fortunately, I had been regularly backing up the old machine with Deja Dup. I restored all my files from a recent backup. All my files seem to have been successfully recovered except that many locally-stored Thunderbird messages are missing, and some local folder names have been corrupted.

Since I see problems only with Thunderbird, I suspect the problem lies there rather than with Deja Dup.

Has anyone else had problems with restoring Thunderbird from backups? Is there something I might try to recover the missing messages and corrupted folders? Should I be using a different backup in the future?

Please Please Please advise how to modify settings to stop copying emails to "All Mail" folder. There are nearly 14K emails in that folder, and it's killing my capacity, I'm getting warnings, etc. Yes, I'm using Gmail.

Yes, I have unsubcribed from it, starting from my account name → Subscribe → unchecked [Gmail] All Mail. To no avail...

Of course, I do not want to delete mails I have saved in my hundreds of other folders. My mail goes back 25+ years, and I want to keep those archives.

Thank you Thank you Thank you!

Windows 10 became unavailable, but I have a copy of the drive it was on. I had tried to install Linux Mint as dual boot and couldn't get to Windows any more. Installed Linux Mint 22 on that drive, wiping out everything that was on it. Now I really want to get all of my locally saved items from the copy of the old drive onto TB in LM22. The profile folders are there, I just don't know what to do with them. FYI, all of my other data files were on other hard drives, so only the OS and apps were on the boot drive.

Hi, i installed Thunderbird on macOS and it worked until yesterday. Today it continue to fail connection with the google server. I tried restarting computer and close/reopen Thunderbird but nothing is working. I also tried to limit connections from 5 to 3, and nothing happened. Can you help me ? I don't have network problems.

Folder name: BOGUS AI PRAISE-MKTING-BOOK CLUB BULLSHIT I had been adding emailed marketing messages that I knew were fake into this folder for about two weeks. This morning, after a Windows 11 Update, when I tried to add another such message to that folder, the entire file folder was missing. I tried everything I could think of, including looking for help online, to no avail. This folder contained around 500 emails, over 200 of which I hadn't even opened.

I have got two e-mail by Thunderbird : X@orange => OK but X@kohinos.net NO connection Thunderbird said : connection time exceeded'. What to do?

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One of my cabinet folders is missing emails and a sub-folder that exist in my Fastmail account. These missing items are on both the windows and macOS versions I have installed. Please advise on how to to repair. Thanks.