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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?

Hi! I'm trying to set Thunderbird as the operating system default under Win 11. I tried to follow Mozilla's instructions: 1. Open the Settings application by pressing and releasing the Windows Start button, then clicking the gear icon. 2. Click the Apps icon, then click Default Apps in the list. 3. Click the icon under the heading Email to show your choices. 4. Select Thunderbird. The trouble is that at n. 3 there is no choice. There is only 'OutlookAccounts' and this item cannot be deleted or replaced. Can you help? All the best, Robifiori

Have not received emails for two days now and have tried everything and nothing works.

As I indicated above when I click the thunderbird icon, the screen reads:

Login to Account ? Login to server imap.comcast.net with user name olinger123@comcast.net failed

 Retry    Enter new password _____   Cancel

I hit retry, entered new password and hit cancel. I can only briefly get into the inbox and this message comes up.

I need my incoming emails. What do I do? Will it correct itself. I have restarted the computer several times and still no new messages and message regarding login failed.

I am using 64bit Windows 11 Home. This happened suddenly without any changes on my part that I know of.

Thunderbird suddenly started freezeing right after startup. The only thing I can do is login with the master password then the regular thunderbird screen opens, but I cannot click on anything. Soon after the screen is greyed out. However I can close the program down with the red "x" in the top right corner. It opens a dialog that gives me the opens to close down or wait to respond. The close option works.

The only hint I can see from the frozen screen is that the local Folder seems to have a problem as a subfolder has now multiple copies of itself. It seems to create a new copy of that subfolder every time I try to start the program.

So far I tried reinstalling/updating TB, as I assumed an update had maybe malfunctioned, (it was stuck on version 128, since I could not open TB for about a week now) but upgrading to to version 138 did not help. I also tried starting TB in troubleshoot mode, which made no difference I also tried starting TB while windows was in safe mode, which made no difference.

I read around but people that have problems with TB freezing seem to not have the freeze happen before they can do anything.

I assume something is wrong in my profile, maybe the local folder? But I have no idea to fix anything, since I cannot do anything at all in TB.

Any help would be appreciated! Thanks!

No matter what I do all I get is this: Login to server imap.gmail.com with username smyn1118 failed. and: Unable to log in to server. Probably wrong configuration, user name or password. Any ideas? ....... Sam

I get lots of emails & like to reread some of them. I archive really important ones but nothing stays in my inbox more than a day or two, then they disappear. What's happening? I've changed no settings

Hello. I am trying to send emails from Thunderbird 128/140 for Linux via Exchange Server 2010 via SMTP. SMTP authorization is performed using Kerberos/GSSAPI, without connection encryption (Connection security: Note). An error occurs when sending: "Sending of the message failed. The Kerberos/GSSAPI ticket was not accepted by the Outgoing server (SMTP) test.domain.name. Please check that you are logged in to the kerberos/GSSAPI realm" Error console: mailnews.smtp: NS_ERROR_FAILURE: Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsIMailAuthModule.getNextToken]

   getNextGssapiToken resource:///modules/MailAuthenticator.sys.mjs:117
   _actionAUTH_GSSAPI resource:///modules/SmtpClient.sys.mjs:1145
   _onCommand resource:///modules/SmtpClient.sys.mjs:605
   _parse resource:///modules/SmtpClient.sys.mjs:402
   _onData resource:///modules/SmtpClient.sys.mjs:459

SmtpClient.sys.mjs:1147:19

mailnews.smtp: Authentication failed: AUTH GSSAPI SmtpClient.sys.mjs:784:17

   _onAuthFailed resource:///modules/SmtpClient.sys.mjs:784
   _actionAUTHComplete resource:///modules/SmtpClient.sys.mjs:1185
   _actionAUTH_GSSAPI resource:///modules/SmtpClient.sys.mjs:1148
   _onCommand resource:///modules/SmtpClient.sys.mjs:605
   _parse resource:///modules/SmtpClient.sys.mjs:402
   _onData resource:///modules/SmtpClient.sys.mjs:459

IMAP with Kerberos/GSSAPI is works correctly. Evolution works correctly with the same SMTP settings (it logs in and sends emails).

I don't like threaded conversations view. I turned it off so my inbox doesn't show it any more, but search results do and I find it impossible to find what I need. Is it possible to turn off ALL of those threading features across the entire program? Thanks

In the past month or two I have been dealing with a constantly recurring issue with Thunderbird getting my emails. Login to server pop.windstream.net with username ----- failed, and then it gives me the option to retry, enter new password, or cancel. 99% of the time, when I hit retry, my email downloads just fine. But I have multiple email accounts that I have to go through the same song and dance on every time I try to download my messages. Sometimes one or more of my email addresses will check and download ok... sometimes all of them will... sometimes none of them will. But choosing the retry option usually yields me good results so it doesn't appear that I have something in my settings that is wrong?? And usually if I shut down of Thunderbird and a restart of it, all email addresses will down;load perfectly the first time I try.

I wonder if it doesn't correlate with a Thunderbird update? I keep hoping that the issue will be resolved as quickly as it came through another update or something but it's been long enough to really start driving me crazy now so can you help me? What is going on with the normally smoothe and agreeable Thunderbird on my very same computer using the very same email addresses all of a sudden?

I've been using Tbird for many years for multiple accounts, and I have the junk filter turned on so it's supposed to learn when I mark a message as junk. But I have noticed recently that even when I mark messages as junk, if more of the same come in, they don't get caught by the filter as they ought to be.

1. Is there a limit after which the filter no longer learns?
2. It's the same filter, no matter how many accounts, right?
3. If I UNmark a message accidentally marked as junk, does it reverse that pattern in the filter?
4. If I highlight a group of unmarked messages and mark them all junk, does it learn from them?

Peter

Hello, i am not sure if this is the right place for my Question:

I love to use Thunderbird but in some moments the handling is quite confusing oder buggy. I don't know if i may do think wrong.

I do get Mails from other people with other styling Formats (e.g. Calibri Font from Outlook) and i always use arial. If i copy a text from an mail with other format, put it in my mail with the command "Paste Text without format" it does not always work. E.g. is the visual in my Editor often in Arial but when i send the mail, then i see in my sended mails that the font switched back to calibri. I thought the "Paste Text without format" option will delet the format of the inserted Text and using the default mail format which i defined in my settings?

Its annoing cause i always produce Mails with different styles in it. I am using the latest ESR Version.

Hi all, I'm using TB 115.18.0 (64-bit) and I am currently working on finding a solution to automatically back-up my mails from two accounts on regular base. I want to back-up the ImapMail-folder from within the profile-folder; while looking into it I found not only the two folders for the current accounts, but also 3 more, for accounts I had in use a few month ago, when I started to use TB and fiddled with it. As I do not want to waste space with unnecessary Data, my question is: can I safely delete these obsolete folders and their associated .msf-files?

Thanks for any help/advice

Dreas

I am running Thunderbird ESR 128 as a snap on Ubuntu 24.04. I have several different email accounts and until a couple of days ago, when I replied to an email on account 2 or 3 it was sent as from that particular account. Now it is being sent as if from account 1. Trying to send an email as if from account 2 or 3 results in a failed-to- send message. I have noticed that when I look at the from field for accounts nos 2 and three the following is being inserted before the normal email address "NSIMsgidentity: 1d6 (or 1d7). Can anyone please advise me why this is happening and how to recover the ability to reply / send an email from accounts 2 an 3 as if from those accounts rather than from account 1? Thanks in advance

I added new email account on TB, all goes well, until I get oversized screen that asks me to click 'allow', but I don't see an allow button anywhere. Unable to shrink the screen size. The only way to get out of that screen is to click ESC to return to the prior install screen (which is normal sized). I have no idea how to complete this new email account installation. Any suggestions are welcome!

I get the following error message while saving a send message: "Your message was sent but a copy was not placed in your sent folder (Sent) due to network or file access errors."

This is my local PC, so no network error here. So, it most be a file access errors. How do I fix or resolve this issue?

I'm running on Ubuntu version: 24.04.2 LTS

Thanks,

Hi. I have Thunderbird running on two, different computers. The older computer has many emails I'd like to merge on to the newer computer with Thunderbird.

Does anyone know how to do this? All I've been able to find is a solution that overwrites the emails of one or the other profile folders. I'd like to merge.

Thanks.