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When I logged in this morning my bookmarks toolbar was gone, along with the favorite start. I have googled and followed support articles and the only thing I was able to do is get the menu bar to show along with the the bookmark menu but customizing the toolbar.

Hello, i have three PCs with installed Tunderbird. On one of them i want to add a new mail-account. If i follow the instruction here: [https://support.mozilla.org/de/kb/automatisch-konto-konfigurieren#thun...], it leads to an input mask (not a Tab!!!), where i can enter an account-name and the mail-address. Clicking on Continue some automatic search is started but never stops (=> screenshot).

As i tried to do it several times now and tried to find other solutions, red instruction etc., i write now. Also: Im not sure if it is a bug.

I already mentioned in the beginnig: I have three PCs here. I used one of the others compare, wehere it works as described in the documentation (not an input-mask, but a Tab). So the probem occurs only on this PC, not on the other. Systems: Not working on win11 Thunderbird 144.0.1 (64-Bit) Working on win10 Thunderbird 144.0.0esr (64-Bit)

Regards, Frank

Until today Oct 14, 2025 I could edit the subject line on my incoming e-mails by right clicking the subject line and use 'edit subject'. As of this morning that option is not available in the context menu that comes up when I right click the subject line for an e-mail in my inbox. anybody have any ideas? I use this function constantly in my business to add the customer name to the subject line for customer searches and if I send a copy to a vendor so all messages pertaining to that customer are easily found.

I can't find where to edit the rules that I previously created for what will happen when a certain mail comes to my mailbox. I set up a rule that marks a mail from a certain sender with "Important" and also sends a copy to another mail adress but now I can't edit the rule. Can someone help me with where I can find the rules and edit them?

This issue appears to be on Pixel Devices and not Samsung. I have a Pixel Tablet & Phone and the status bar above the new Tab Bar is the wrong color. On Samsung the status bar blends in with the rest of Firefox

It seems there is no fix in sight for this. It's been like this for months

Why MSN pages are not shown? I tried all suggestions on the web with no results. Instead of showing the MSN pages for the selected topic it always shows the main site page.

I recently transferred my email account to The Messaging Company (big mistake I think) because my provider (Exetel) suggested them when they stopped hosting an email service. I then started having trouble receiving emails that I knew were sent and I thought that maybe my old emails were kept on the server too long and were taking up too much space on the server so I went into Thunderbird to change the settings to delete emails that had been on the server for 2 weeks. Thunderbird is now locked onto the Account Settings page and I can't get out of it. As soon as I click on the page I get the "Thunderbird not responding" message so I close the program. I've tried starting Thunderbird in safe mode with no result. I downloaded the latest version and reinstalled Thunderbird but as soon as I start the program it takes me straight into the "frozen" Account Settings page that I can't get out of. I have gone into The Profiles folder and I've included a screenshot of what's there. The latest profile was created when I tried to change the Account Settings. Can I delete that profile and go back to the one created on 9/6/2025?

I am using and like NordPass Password Manager and Digital Vault Extension on my Firefox for Windows 11, but it does not seem to be available for the Android version of Firefox that I have on my smartphone. Is there any plan to make that Extension available for Android Firefox?

I’m on a Mac using the Sequoia OS (not ready to update yet to Tahoe). I recently left Microsoft Outlook, my e-mail client for years, because of all the crashing and when I would update, all the stored e-mails disappeared. I am now using Apple Mail and the export function doesn’t work most of the time. Apple tech support did some things that told me they are automatic backups, but I can’t see them.

I use Thunderbird on an old PC and would like to also use it on my Mac. However, when attempting to import, it starts and finishes in about one second, importing nothing. The files are in .mbox format. What am I doing wrong trying to import these files?

For years I have clicked on the clear history, clear data and manage data on the settings page in privacy and security--directly after leaving every website, just to be sure...now nothing is happening when I click on them. FF is up to date and nothing is different (that I know of).

Please help. Thank you.

I have an issue changing my billing information for Firefox Relay Premium. When I click on "Manage payments" I always get to a web page stating "Invalid billing information". See also screenshot attached. The arrow keeps turning and I cannot select anything on this web page to change my billing method.

Cheers Olaf

I have been using Firefox since I first started using computers, so for over fifteen years. Initially, I only used it on my PC, but for the past few years I have also been using it on my iPhone and iPad. Until now, I have been a very satisfied user, but for some time now I have been extremely dissatisfied with Mozilla and Firefox. I have been using Startpage as my search engine for many years and Firefox is set up that way on all my devices. But on Apple devices, every time I open the browser, Google is now set as the search engine again and I have to correct the setting every time. I find this patronising, inconsiderate and extremely rude. If this cannot be changed very quickly, Firefox will no longer be my default browser on any device. I would be very sorry to see that happen, but it really is not acceptable. Are you so short of money that you have to rip off your long-standing users? I would be very grateful for a reasonable and helpful response.

I deleted a profile from my Thunderbird account, but I keep getting a popup login screen. I can no longer access this profile. HOW can I get rid of this popup screen? It continues to popup every few minutes! Need it to stop!!

Default search is reset to Google every time I close and reopen Firefox. How do I make Firefox remember my choices? I am setting Brave to be the default search.

Thanks!

Hello, I am facing an issue while playing YouTube videos in Firefox. The videos are lagging and not playing smoothly, even though my internet connection is fine. Please help me fix this problem.

When adding my outlook account to thunderbird, my right password is regarded as wrong. I don't why. I've checked the password several times, and make sure it is right.