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why just today is all my incoming emails coming to trasha nd not my in box in Thunderbird worked fine in the morning but i am not getting any mail in my in box it is all going to trash

Recent new system. Previously used Office Outlook and backed everything up to a PST file. Found I couldn't import into Thunderbird, needed to install Outlook first and import it there. Did that. So I have an Office 365 Subscription active and have Outlook active. Now I'm trying to get those messages to Thunderbird, but when I go to Import and select Import From Outlook I get a red error "No profile found" and can't continue. Is there something I need to do regarding Outlook for Thunderbird to recognize it?

I have all of my emails in IMAP folders. When I travel I don't always have internet access. It would be helpful to have access to work-related emails at those times. Two questions:

(1) Is it possible to store emails in both IMAP and local folders so I can access them offline?

(2) Is there some setting that can automatically store all emails in IMAP and local folders?

Thanks for your help!

We have these "old mail" and "nstmp" folders that will not delete.

right click on Empty Trash doesn't work, need to delete individual emails.

Windows 11

Hi there,

I've recently had a problem with a couple of client PCs where their Thunderbird profile folder has grown to fill the entire hard drive. In both cases, the relevant account folder in the profile's ImapMail dir had grown to over 300Gb. This account takes up 45Gb on the server (where I'm running Dovecot with maildir storage). In another case on both PCs, an 18Gb account had grown to over 90Gb.

Both client PCs are running up-to-date Thunderbird (139.0.2 64bit), one under Windows 10 and one under Windows 11. Both had auto-compact set, with the minimum saving reduced to 100Mb. Both problematic accounts are shared accounts that use a deeply-nested folder structure. In both cases, I was forced to delete and then recreate the these accounts in Thunderbird.

I'm an experienced sysadmin who is also running the mail server, so I am able to provide any extra info needed. Additionally, I accept that these are large email accounts; I'm in the process of setting up an email archive system for the client using Piler. I have read many other reports of outsize Thunderbird data folders; these are usually referring to less than 20Gb. The problems we're having seem to be an order of magnitude larger!

Thanks in advance, P.

I updated Firefox this morning to 139.0.4 on my Mac and now the '+' sign to add a new tab no longer appears on the tab bar. I can still add new tabs with Command T however.

Any suggestions on how to restore the '+' sign?

Thanks Dan

Issue 1: When using Shift+F5 to Get All New Messages: This command used to go through my accounts within several seconds; but now this can take several minutes. What changed to cause this?

Issue 2: I have one account that is having server problems... causing must click popups in TB. How do I exclude this account when using Shift+F5? I've tried Unchecking the boxes for "Check for new messages at startup" and "Check for new messages every xx minutes". And one help result suggests "Disable immediate notifications: Uncheck"; but I do not see such a setting.

Is there a way of changing/removing the independence of browser windows?

Whenever I have multiple windows and close one them I cannot retrieve them, re-opening closed tabs doesn't work, since it only works on their own window.

Is there a way to change this behaviour?

I hope I have explained myself, thanks.

Hi!

Previously, all the sites saved in a single container could be accessed via the dropdown arrow to the left of the 'close,' 'minimize,' and 'maximize' buttons. Now, it only shows current tabs, tabs from other devices, close duplicate tabs, and add a tab to one of the containers. But how to open those containers is unclear.

PS I have the latest update 139.0.1

On a new Thunderbird install only some of the subdirectories are being displayed. This is only happening on one email account (xx@live.com). This happened before and I think it had something to do with a filter but I can't locate the issue.

Thunderbird is not synchronizing with Mailfence. My other email accounts (Outlook, Gmail) work fine. TB connects to them, downloads message headers and displays the number of messages correctly. With Mailfence, the messages stop at "connected to imap.mailfence.com" and stalls there. The message disappears after a few seconds and nothing else happens. This happened this morning when I first launched TB. I then got an update to 128.11.1. No change. I did receive the Windows Update 2025-06 Cumulative Update sometime overnight prior to launching TB.

I am trying to read my gmail email using Thunderbird. However, once I fill in the server configuration, I get a 2fa pop-up window with an error message. See attached.

What can I do to get this to work? Or is Thunderbird unable to access gmail?

Thanks in advance, Mike.