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Everything is gone, I have had to reinstall windows 4 times in the last week with a new PC and now all my sync data is gone...Chrome remembers everything fine and Mozilla did remember everything until this install and now its not syncing anything.

If this stuff is gone so am I.

Have tried logging in with my google account, tried logging in with Moz account, tried sync button over and over tried restarting, tried uninstalling and reinstalling and manually deleting all the folders STILL NO SYNC DATA AT ALL.......

Using Firefox on my Win10-Pro PC and TBird as my e-mail client, I need really simple instructions on two installation issues:

1) Will TBird let me install TBird in the disk partition of my choice (where Firefox is presently installed) and

2) Can TBird be set up to BOTH let me simultaneously download all e-mail documents to my local PC while letting the e-mail documents remain on the e-mail server (where they are now)?

Please keep the guidance simple and easy to follow as I don't see well reading from a display screen any more and as I have never understood the complexities of Win10-Pro at all well. I go back to IBM PC One days and MS-DOS and understood Win7-Pro fairly well but Win10-Pro simply confuses me because of its many buried options. Thanks, in advance, for guidance, instructions, etc.

Thunderbird email send stopped working something like three weeks ago. I am using Fedora 43. What happened to cause this send problem? I had been using Thunderbird for a very long time with no problems. I am using Mozilla Thunderbird 147.0

It appears how TB handles IMAP connections for outlook email accounts no longer works - OAuth2 connection flow broken, and this is likely due to stricter changes made on Microsoft's backend that is impacting connections going forward.

I have multiple email accounts configured and recently, I have been bombarded by login pop up - likely related to the OAuth2 authentic process.

Whilst I was able to circumvent the authentication process - i.e. not completing the flow process entirely as it expected, newly created outlook accounts appear to reveal two things:

1] There has been a recent change to the authentication process - i.e. the telling sign.

2] There is a now deeper issue when trying to connect outlook email accounts. It seems the reason why circumvention was possible with existing accounts was because they have already passed the OAuth2 process correctly - correct tokens exist. Since this won't be the case for new outlook accounts - no OAuth IMAP access token created, above error is given.

It seems the likely cause is because Thunderbird holds or requests a token that does not contain the correct IMAP audience/scope combination, and Exchange rejects it during SASL XOAUTH2 bind.

For your information, I am using the latest versions and able to configure Apple Mail client - which uses Exchange protocol (not IMAP), without issues.

I've been using Thunderbird since it was first made available for Android, and I've used it successfully until recently. I have a new Outlook email address that I cannot sign into even though the Outlook email I have been using with Thunderbird since the beginning has never given me any issues. I get the "user authenticated but not connected" error. What can I do to resolve this issue so that I can have all my emails together in one app. Just to make things clear my old Outlook account which uses the email in writing you from connects flawlessly. It's a new one that is giving me issues. Any help would be greatly appreciated. Thank you for your time.

Es bestehen 3 E-Mailadressen (Konten), Nachrichten werden immer in allen 3 Konten angezeigt und gespeichert, wie kann die Zuordnung geändert werden so das Nachrichten nur in den angesprochenen Adressen angezeigt und gespeichert werden?

Thunderbird 148.0 64bit Windows 10

Please remove and do not add any AI/ML features to Firefox, it's the only mainstream browser of this kind left, i was planning on buying some merch but I don't think this company deserves my money if it tries to make cash off me in an insidious way either way

I’m using Thunderbird to connect my Hotmail account. The setup shows as “successfully added,” but an error message appears:

“The operation on Inbox did not succeed. The mail server for account responded: User is authenticated but not connected.”

Previously, the connection worked perfectly, but starting this week, Thunderbird can no longer access or sync the hotmail mailbox.

How to fix this problem!!???

Incoming messages are interspersed with old messages without any order. I tried to corrrect this by pressing "date" in the installation column to the right, but that does not help.

I goofed up today by making a stupid change to one of my manual message filters and running it which added a tag to very many emails according to the filter log. I didn't know how to undo that directly so I figured I would just restore my profile from a backup. So I closed Thunderbird and restored my entire profile folder from a backup of 1 or 2 days ago. Upon reopening Thunderbird, naturally all emails from the last day or two were gone but I assumed they would just re-download. They didn't. I only got 1 or 2 very new emails.

I vaguely recall doing this sort of restore, or go back a couple days, to recover from another mess up and it did re-download the missing couple days.

Is anyone monitoring this community? Has it been abandoned?

I've been having an ongoing problem. I fixed it myself, because after posting here, I had zero responses and didn't know what to do, so I messed around and tried things on my own, which seemed to fix it. But apparently, it is not fixed, and I still don't know what to do. A Firefox expert I am not.

Very simply, I use two different computers, each 2000+ miles apart. Each time, and this has worked for well over 3 years now, the entire computer is copied to a backup. The backup data is restored, the current Firefox profile, as well as the Firefox program. To repeat, this has worked for well over 3 years now.

In order to get the extensions working, that requires disabling and then reenabling each one. (Otherwise, Firefox will not access the internet.)

This time, the extensions were disabled and enabled, and everything appeared to be working fine, but nope, not a single extension works. Even choosing a different extension that is normally disabled doesn't work.

I used to use Adaware, which is on the disabled list, so I disabled the non-working Ublock Origin and enabled Adaware, and it doesn't do anything. The ads roam freely all over the page. They pop up and dance around.

Not one extension will work. New, old, enabled, disabled, whatever. Nothing.

Does it bear repeating that I am not a Firefox expert? Without an answer from someone who knows what they're doing, I may as well switch to crap, inferior Edge with the zillions of dancing, pop-up ads. And I hate Edge.

I'm begging for an expert to help here.