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Up to now Thunderbird was installed on C:, while the profiles directory was on D: (including the local files). As C: was getting saturated, I installed the latest version of Thunderbird on D:, and used the Profile Manager to tell it to load the existing profile. Upon launching Thunderbird, it did find all the connected accounts and connect to them, yet didn't display any local files. However, when I look at the location of the local folders in the new installation, it points to the "old" local folders, D:\Users\[user]\AppData\Roaming\Thunderbird\Profiles\Mail\Local Folders, and all the local files I used to see in the previous installation are there. Yet they don't display in the "new" Thunderbid. How come? What should I do? Thanks for any help.

Currently on 131.0.3. Started having this issue around the time 131 dropped.

I press Ctrl-shift-O and bookmarks manager won't open. Bookmarks manager opens normally if I use the menu to open it. Keybind won't work in troubleshooting mode so I know it's not an addon, and the hotkey works fine on other computers with Sync enabled so I know it doesn't have to do with my synchronized settings. Also won't open with a fresh profile so I am very hesitant to reset all my settings.

I use this keybind multiple times per browsing session so it has had a major impact on my usage. Not sure what to do. Please help!

I'm going to try a graphics driver update in the hope that helps. This is on Windows btw.

I'm running for quite a time Thunderbird on Windows up to Win11 without any problem. For about 3 years I'm using the same TB profile in dual boot environment with Linux Mint (v21 until last week and now version 22). I understood why I didn't get access from Linux side after the latest TB update in Windows as obviously the file structure and other things had changed to make it incompatible to elder versions.

However, as Linux is now my normal working environment, I've tried it again after upgraded my system to Linux Mint 22 Cinnamon 6.2.9 , kernel 6.8.0-44-generic and failed again, having the same error message when starting the profile: "Thunderbird is already running, but not responding. To use Thunderbird, you must first close the existing process, restart your device, ore use a different profile. "sudo killall Thunderbird" didn't find a running process.

I've tried importing everything in a new profile, which worked (more or less), but failed with all attempts getting access to my local profile. A local profile appears after importing but contains no data, trying to import its data separately doesn't trigger any error message when just ticking "E-Mail", but nothing is imported. When ticking "E-Mail" and "Settings", I'm getting a red alert that asks me to look into the error console which doesn't help either.

What can I do ????

I recently got a new computer, Apple iMac. I'm trying to transfer all my bookmarks I have on my older HP computer to the newer computer Apple. I downloaded the Firefox browser to the iMac. I see where there is a link to transfer bookmarks when I loaded the browser. But, when I click on the link, nothing really happens? There is no transfer of my bookmarks for my old computer to the newer computer. My OS with my older HP was Windows 7. My OS with my acquired Apple is Monterey. Can someone be of help with transferring bookmarks from one computer to another? I have many bookmarks so it would be very helpful to be able to make that transfer. Thank you.

What the hell were you thinking with this latest update? You seriously had the nerve to remove basic, essential features like the Refresh button and the + sign for adding a new tab? Are you kidding me? These are core functionalities that make browsing smooth and convenient, and now they're just gone?

How can you possibly justify this? Did anyone over there stop to think about how frustrating this is for loyal users? It’s absurd to think that a browser as well-established as Firefox would pull such a ridiculous move. A refresh button—seriously? One of the most frequently used features in any browser, and you thought it was a good idea to just take it away? What’s next, are you going to remove the back button too?

The audacity to push an update that cripples usability is unbelievable. This isn’t innovation; it’s downright stupidity. A browser is supposed to help users navigate the web efficiently, not make us jump through hoops just to perform basic tasks! How out of touch can you be to mess this up so badly?

Get your act together and fix this mess. Stop making changes for the sake of change, and start listening to your users!

I've never knowingly installed a non-mainline thunderbird, but earlier this week I started getting the following when I open Thunderbird:

This is an unsupported version of Thunderbird!! Thunderbird monthly releases are not considered stable for general use. Use at your own risk, this build is the same quality as Thunderbird Beta.

Checking the version of thunderbird.exe It says its v131, which happens to be the same as the copy of Firefox installed. When I remove and reinstall Thunderbird it starts off as 128 but quickly changes to 131, even after uninstalling Firefox. (Also annoyingly, this stomps on the version in the profile, which 128 claims is no longer compatible, because Thunderbird isn't clever enough to save a copy of files when it makes "breaking" changes to user files)

I wouldn't being on 131 if actually worked, but it gets stuck in the handshake with my IMAP server, and doesn't even show the local folder caches. (It also for some reason shows the window controls on left side of the window title bar, rather than the right).

How can I restore standard functionality?

Since yesterday I have Thunderbird nebula 128.2.3esr on my Windows 10. But I cannot find my calendar and the new left sidebar isn't available, but only a little button on the left upper corner with seven button without function. I've tried a lot, I cannot find any description about a same failure in the Internet.

Thunderbird performed an update to my email and ALL Calendar entries are now gone. Completely Empty. Past appointments, meetings etc present and future. I have been using the Thunderbird calendar for over 18 years. I need my info back if possible. I don't have the bandwidth to "find" and "fix" on my own. HELP - quickly if possible. All was working just fine 6 hours ago.

Angela Willis

I was able to send emails on Oct 9 but haven't been able to since then so I assume there's something wrong with your Oct 10 update. I can receive emails. I selected 'reply', entered a comment. My only options after that were to save as a draft or cancel changes.

Is there any way to restore the "bring to front" option? It's been gone for … maybe a year now, maybe longer. I still have muscle memory for it but all I get is an annoying 'plunk' sound.

Why did Thunderbird eliminate it, anyway?

thanks, Pete

I just installed an update when prompted by Firefox. Now I can't log into Hotmail.

FF 129.0.2 x64. The update restarted FF. Everything else seems to work OK. But when I go to Hotmail.com, at first it displays my Hotmail inbox - which is odd; all other webpages requiring a login were logged out when I installed the update, requiring me to log in again - but then it switches to an error:

Something went wrong and we can't sign you in right now. Please try again later.

The Microsoft account login server has detected too many repeated authentication attempts. Please wait a moment and try again.

The same Hotmail account is still logged in and functioning on Chrome. This is why I think it's a FF-specific problem.

I chose installation and updates as I believe it best suits my issues. On my PC running windows 10 pro I downloaded vpn, relay and monitor apps at various past dates. My account information on the PC was deleted I do have the Firefox browser for IOS but, I did not down load the vpn, relay or monitor apps on that device. My issue is that when I log into my account I cannot find the missing apps to re-install the vpn, relay and monitor apps. Is there any way for me to gain access into the account that allow me re-install or add to my existing account. I have changed my primary email address and deleted the old email, which I still have access to if that is any help. Any help or advice would be greatly appreciated. A.W.

I have unsuccessfully followed to the best of my ability the instructions located here for migrating the Thunderbird profile folder to a new PC: https://support.mozilla.org/en-US/kb/moving-thunderbird-data-to-a-new-computer (my new operating system is Windows 11 Pro). The folders appear to be installed on the new PC when I examine them through File Explorer, but they don't load into Thunderbird when I open the app.

I read somewhere in one of the comments to this article that it is critical that the versions of Thunderbird on both the old PC and the new PC must be the same. But am confounded as to how to do that. When I look for updates to the version on the old PC, I am offered version 115.10.1. But when I try to download Thunderbird for installation on the new computer, one is only offered 128.3.1esr. How, may I ask, can one synchronize the versions of Thunderbird on both computers then? Where can I find an older version of Thunderbird to download onto the new PC? Or get the version of Thunderbird on the old PC to update to the latest release?

I have the latest version of firefox and I have automatic updates turned on. and yet, every few days I am unable to launch firefox and then get a message that I am running an old version and have to "create a new profile". This is a pretty major hassle. Everything resets, even after syncing. Please tell me how to fix this so that I can stop having this issue. Thank you so much.