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Hello helpful community, Yesterday after first updating my mac ios, I updated Thunderbird (as directed) on my macbook pro and discovered that my local folders are gone. I now have version 128.7.0esr. I have read other conversations here about this problem but they are WAY over my head, and seem to do with PCs. Can you help me restore my local folders with instructions I can hopefully understand? Thank you!

I followed the article "Switch from POP to IMAP account" successfully. But I am left with two problems: 1. Whenever I try to send an email I get the error message "Sending of the message failed. The message could not be sent because the connection to Outgoing server (SMTP) mail.lcn.com timed out. Try again." I have to use webmail or my mobile phone to do so. 2. After I switched, Thunderbird created a new folder for incoming emails with the title of my email address. I already had a default folder using my account name, so I copied all the new emails to that and deleted the new one. I then went to Server Settings and changed the User Name to my Account name, which it was previously. However, my incoming emails now do not appear at all, I can only see them on my phone or webmail. I have checked my settings over & over but I cannot see anything wrong. I would include some screenshots but the print screen button on this temporary keyboard doesn't seem to work properly. (I am in the process of transferring all my work to a new PC running Windows 11.)

How can I reroute incoming emails from certain addresses to new folders I've created in my account specifically set up for these emails?

Thunderbird: 128.7.1esr (64-bit)

Windows 11, 64-Bit

Hello

Overnight Thunderbird has developed a major problem. The count for the number of mails in a folder is correct, as best I can tell, but when I open the folder it is either empty or has fewer mails than the count. Based on several tests, repairing sometimes adds more mails, sometimes not, but never the entire folder.

I repaired the inbox and it is now showing several mails that I deleted in the last few days (by emptying the delete folder having previously deleted them). Curiously, they’re all the same type, routine mailings about road works.

I may have backup in that I copy the entire Thunderbird folder to an external drive every morning, including today, and to Google Drive every Wednesday.

Please can you help.

Thank you

I work with numerous filtres and so far it has worked with no problems at all. From today though the filtres do not work properly anymore. Today when I filtred the sent folder it sent all sent messages to the spam folder instead of e.g. customer folders. Is it an update that has gone wrong? I've checked my filter for spam and that is set correctly for subjects, or senders etc. What can I do to sort out the wrong filtering? Thank you in advance for your help :)

I often have open email tabs and come back to them days/weeks later to go through them. Today I was deleting emails not needed to free up some space, restarted the computer, and all my open tabs are blank, both the heading on the tab as well as the tab itself. I have no way to know what those emails were, except to go through a couple months of emails, looking for ones I had open. Any idea how to restore the text in the blank email tabs?

Hello thunderbird support team, Maybe someone can direct me to how fix an issue to create backup my emails and only have my inbox and sent email of this year. (2025) I don't know if I am doing something wrong or is this a thunderbird bug report?

I am using AOL, as my email provider. Goal is the create a folder of each year with all the emails received and sent that year into an archive folder. How I preform this task. 1. I create folders with thunderbird, these folders are then pushed into my AOL email account called archive folders. (works fine) 2. I move (highlight and drag) my inbox emails into a folder by a year, which removes them from my inbox, and this puts a copy of each email into the archive folder that I dragged them too. (works fine) 3. I do the same function (highlight and drag) my sent emails as I did in step 2 above. (deletes all the emails, that were in that folder that were inbox emails (received emails) that I wanted to save.

Here is the question. Why would moving my sent emails to the same archive folder, delete my saved INBOX EMAILS in that were in the archive folder? I lose completely and can't find them, not in trash, only the Sent emails are left in the file after 3 above is performed.

I would have thought that both the inbox (received emails) and sent emails would coexist in the same file! With maybe the sent arrow to identify the sent emails from the inbox emails. I tested this a few times with small batches of emails and each time I lost the inbox email in the Archive folder.

When I created the Archive subfolder for 2023 Sent year see below, (photo) to store my sent emails, nothing we deleted in my 2023 Archived inbox saved emails. Conclusion: for some reason, both Received INBOX and SENT emails can not be combined in one Archive folder? Really? Regards Eric S

I've had this problem for a while on two computers, and through a few versions. I have also created a new profile on one (as the old profile was for some reason locking up every time I used it, and thankfully I use IMAP, so it was easy to recreate).

I have sub folders on my mail server (currently delivered by Exim and Dovecot for the IMAP folder structure) and when I expand the sub folders to select one I am unable to select the top one until I have selected another one. Clicking on it does nothing, but clicking on another and seeing the messages in there, then clicking on it shows the messages. This only happens with the top folder, so I'm wondering if the code is somehow classing that as already selected.

I thought I'd ask here before looking into raising a bug report.

Good day! I have a great problem. Messages were deleted from Thunderbird folders "Drafts" and "Sent", and subsequently they disappeared from gmail account also. Could you please advise how to try to get back these messages to gmail? Any advice will be greatly appreciated.

Dzień dobry, Do Thunderbird dodałem konto pocztowe. Program pobrał wszystkie wiadomości email. Zmieniłem ustawienia serwera, aby się program nie synchronizował, ponieważ zmieniałem pracę chciałem mieć kopię wiadomości email u siebie na komputerze w domu. Przez jakiś czas wszystkie wiadomości był. W dniu wczorajszym zobaczyłem, że nie ma żadnych wiadomości. Wszystko znikło. Proszę o informację co się mogło stać i jak odzyskać wiadomości.

pawlo10a@wp.pl

HI Im using thunderbird I reciently changed my POP3 to IMAP Now Im having starge problems. My sent folder emails are missing the folder info shows that there are 150 emils in the folder but the message no messages found is displayed. Tried deleting the .MSF file Repair folder. The messages are in the server sent folder. Neville

Suddenly I can no longer receive email.

I deleted all thunderbird profiles and reinstalled. At the time of the first sync, all emails were displayed, but for new emails after that, I cannot see them at all.

I think it is a thunderbird problem because I am able to receive them with another mailer. Sending is working fine.

Please let us know how to improve the problem.

Hi to everyone. I'm hoping someone can help. See attached picture. I have been getting this notification now and then for a few weeks now. It's getting annoying. Every time this happens, I have to manually verify my sign-in information, and it goes through without any issues. Everything stays OK for a week's time or whatever, and then, boom, I get this again. Is anyone else having this problem? Are the Thunderbird developers aware of this problem? Is there a fix I can try to stop this from happening again? Thank you very much.

Witam, - czy Thunderbird mobile możne synchronizować wiadomości mail wychodzące z telefonu i z komputera na obydwu urządzeniach? Synchronizacja wiadomości wychodzących telefon i PC. Wysyłając z telefonu mam je na PC i na odwrót. - czy Thunderbird mobile może synchronizować podpis z grafika z maila na komputerze?

I have lots of filters to organize my copious incoming mail. Messages get moved into topical boxes. Recently I've noticed that a mailbox has unread messages in it and when I open it, I see the new messages for an instant and then they disappear. And another mailbox now has unread messages. So it seems that the filters run on the inbox when the mail is received and then they are run again (but a different set are applied) when I open the mailbox they got moved to by the first run. I see no settings in the Filters dialog that has anything to do with this behaviour. Why is this happening and how can I stop it?

BTW, most of my filters have Stop Execution as the last step. (Most only have a single Move to... action followed by Stop. And for performance reasons, all newly created filters should have Stop as an automatic 2nd step since most users wouldn't think to do this. )

I have a new computer and now when I get an email with an attachment and want to forward that email with an attachment, the attachment is not included in the forwarded email.

I get the error message shown in the attached screenshot when downloading my emails from outlook.com to a local folder called "DAD". Some messages get filtered, some not. Those that don't get filtered successfully remain in the Inbox, but a message with empty content does appear in the local folder, and cannot be deleted or moved. Re-running the message filters manually will moved the affected messages across, but the "corrupt" message remains in the target folder and cannot be deleted or moved.

The drive that the folders are located on is my data drive, which has c 250gb of unused spaced. WIndows 11, Thunderbird 128.6.1 (64-bit), installed a few days ago when I moved from another machine.