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Having established a new Outlook account I cannot sign into it properly with Thunderbird - I get authentication failures each time despite all settings apparently being correct, IMAP enabled in the web browser view of the outlook account and so on. Oauth2 set and all server settings good. I have been over and over things. Tried various suggestions of the web to no avail.

I have tried unsuccessfully with three separate machines - two Microsoft 11 laptops and an iMac. All fail.

I can access the account and send/receive emails from a web browser and I have got it working okay with an iPhone, an Android tablet and a Microsoft email client - but not with Thunderbird. I even get a browser popup on the iMac when I open Thunderbird asking if I am trying to sign in - I say yes and it says I am all signed in - but the email doesn't authenticate. I have passcodes all set up etc.

A separate Hotmail account does work with the same Thunderbird client and has the same server settings (apart from the username obviously).

I am at a loss how to resolve this other than move to a different email application.

Any ideas?

Hello,

After moving my Thunderbird profile to a new computer none of my accounts can authenticate. I followed the instructions here: Move Thunderbird data to a new computer, using "An alternative method for manual transfer between Windows 10 and Windows 11 computers." What explains the response in the attached image, "Something went wrong," and how can I fix it? Happens when I click "Next", the first step to log it.

I have a related problem with other accounts set up in the profile. This one is using Oauth2. I tried switching to password, and hand a similar problem. I tested the connection to the server in Settings for the account and it was successful. Same for the others. They all authenticate successfully on my old computer.

Thanks...

Since the launch of Thunderbird (Android), I have been using it. Recently I changed the email account password and now want to update it in Thunderbird. I can’t find an option in the app to update the password, and the app is not prompting me to enter the new password.

I have been getting this message when I try to log in to my Thunderbird mail for over a week: "accounts.google.com needs you to confirm access again to keep syncing with your account. Username: soprisue2@gmail.com."

I am afraid the message is Spam, so I hesitate to click on it, but if I delete it or X it out, it goes to another screen that doesn't let me click on anything. Eventually I get a message that Thunderbird is not responding, and I close it.  I am basically locked out of my mail access through Thunderbird.  Please help me.

I cannot access the Thunderbird app menu to find out what version of Thunderbird I am using, so I guessed.

how can I access my aol mail with norton password manager in firefox, does it have something to do with 2 step verification and if so how do I enable that. Thank You Cheri.

I have two Yahoo accounts in Thunderbird. One uses normal password and works great. For the second one, Thunderbird forced me into OAuth2 and it constantly returns all kinds of connectivity errors. I've tried to re-add the account with normal password, but Thunderbird returns that the password is not correct. What is pCENT? Is there a way to force Thunderbird into using normal password?

Thunderbird won’t open because it wants a Primary Password which I have never had to do. I went on another computer (the one that I am currently using) and generated a password for Mozilla. I tried that but it still would not open. I have restarted the computer 3 times. When it asks for the pass word, I have entered the new one for Mozilla with no success. I have tried the one for the main opening of the computer with no success. When I close the small window that asks for the Primary Password, the spinning beach ball of death shows up and eventually (maybe 10 minutes) it has to be forced to quit.

Hello Due to a massive cluster**k this morning, I changed my password by accident I think I've now got everything working again, except that Thunderbird cannot sign in to my Google Account What I don't understand is that I have a password with normal and special characters and numbers, but the Oauth2 password is very different of course How do I know what to change my Oauth2 password too? Or perhaps the question should be how do I now generate a new one that goes with my new "normal" password Thanks in advance for any help

Since Friday I have not been able to use thunderbird. I can open it but it wont connect to Virgin.com I have checked all settings (click on test connection it states good) then every five minutes when it try's to connect I get the following message (email address removed)

Login to server pop3.virginmedia.com with username ******* failed

I still get mail on my phone so it's down to a Thunderbird issue I believe. Tried to reinstall same issue, tried a new account and wont allow me to authenticate.

PLEASE can someone help - have a load of work to do but can't get on. Thanks in advance David.

After many years of using Thunderbird I am now considering ditching it. I am continually getting the Authorisation Failure message when trying to open Thunderbird. Why does this keep happening? It does not happen on my Android devices, just on Windows 11. I have tried deleting all three gmail accounts and re entering them. All is fine until I close down Thunderbird and then open it again. I run Norton 360 and have tried taking off Norton email security, but that didn't work. Any ideas, please?

Xfinity email service required me to change my password (security issue?). I went through the process but when I attempted to change my password in TB, it required me to change both the imap and smtp servers separately.

Apparently this is normal for TB. But this is radically different from other email systems. Most allow me to change the password once and it propagates to both the imap and smtp servers.

Am I missing something. If not, why does TB do it this way? This is extremely frustrating and unexpected for many people, I would think.

Oh, this is especially frustrating because I'm in a situation where two of my three Xfinity email accounts are repeatedly requiring a password change. I'm still trying to get to the bottom of that with Comcast.

after the last Thunderbird update a username/password request pops up: "Authentication Required" cloud80.hostgator There is no Hostgator account so the only option is "cancel" only then will Thunderbird download emails. how to remove this https//cloud80.hostgator request?

MY second email account (droulston@btinternet.com) stopped working 3 days back (it has been OK for many years). I tried uninstalling and reinstalling but my password was not accepted.