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W 11 May, 2025 update really made my computer unable to go online in any way and I had to restore. But FFox updates to have made it impossible to communicate. My phone has trouble s too. So, how do we make stick telephone permissions for, say: G Voice page https://voice.google.com/u/0/calls now? Thank you

I have been very sick and got this email the other day about Pocket shutting down - I am not sure what all that means for me.

I am using Thunderbird for several MSN based accounts - do I need to move them? I also used it for one local account that is a google account it appears but had to move it elsewhere. Obviously that isn't going to move since it is dead for all practical purposes. But do I have to move my MSN accounts (old hotmails and lives for example) or can I continue to use Thunderbird for them.

Just to know how sick I have been finally got a diagnosis. It took me months to get windows update to work finally - just didn't have the energy to try to get it working until last night and then I used a MSN employee. I just can't do much myself anymore.

Ran your update today. Thunderbird has completely disappeared. The shortcuts no longer work. When doing a search in Explorer I find a Thunderbird folder in C:\Programs. There is no file named Thunderbird there and the three exe files either do noting or complain that something is missing.

I am now missing literally thousands of emails.

I have received two emails from Spark wanting me to switch my email to their program. I hope you can fix this screw up because if you do not I will switch my email to Spark and make my default browser Chrome. I do not support companies that do what you just did. Completely unacceptable.

Windows 10 Home No info on Thunderbird because you messed up and I can't run it.

I recently changed onto the new release channel by installing version 136. I now find that this new release channel appears to have installed version 138, but it is reported as a beta version. I do not want to use beta versions, as I am having a lot of problems with it, so how can I return to a stable release?

This has been re-posted. In error my first post said ‘Firefox’ NOT ‘Thunderbird’.

Hi all. I recently had a terminal problem on my Win 10 computer so have bought a new Win 11 machine. I ran Thunderbird mail on the old Win 10, had 5 email accounts, had about 12 local folders and had my Profile stored in a folder on the desktop. The folder was moved there some years ago but don 't remember how I did it. I moved it there because this folder gets backed up every night.

So, I have managed to remove the HDD from my old machine and have located the 'old' profile folder. I now need to re-install Thunderbird on the new machine and match it up to my old profile folder (I think...)

Any advice on how to do that?

I need to have this phone fixed so I don't have people th Through my phone, this is ridiculous, so capcut. And I don't know who else we're fighting through my phone. I just want to get it cleaned up. And I'm not gonna deal with catcut anymore. It's not worth it. They're not worth it. What's the worst company I've ever gone through anyway, that's.

I am running Thunderbird vers 127 (I think) on Win 10. When I try to start it all I get is the error -

"A newer version of Thunderbird may have made changes to your profile which are no longer compatible with this older version. Use this profile only with that newer version, or create a new profile for this installation of Thunderbird. Creating a new profile requires setting up your accounts, calendars and add-ons again..".

How do I get back to my profile? All was fine until May 7th when I went on hols but but this happened when I tried to restart on 19th May (so don't think it has updated to vers 128)

Any help much appreciated as this is a complicated profile and would take an age to re-build. (I have got a coy of the relevant profile as a backup)

Hello I'm using TB 128 esr / flatpak on Ubuntu 25.04. I'm satisfied, but I want to install Thunderbird in parallel before switching to this version. https://support.mozilla.org/fr/kb/installer-thunderbird-sous-linux#w_changing-channels I read and managed to install TB "monthly beta" by extracting the tar file. It wasn't possible to retrieve the profile via the zip file because it's 2.4 GB. It seems to work, even though it uses quite a bit of CPU power, ~20%!

1/ Anyway, my main interest would be to have a usage similar to Firefox standalone, which I can use from my computer to my laptop :-) with the same profile stored on an SSD data drive. I don't want to install the profile on my computer or laptop system drives!

2/ How do I launch this version at startup?

REgards

I just installed Thunderbird on a second computer and I'm having serious issues with my email. The install recognized me without having to log in with my password. However almost all the emails are missing with the exception of one folder called Trash. There is nothing in the inbox and no sub-folders are showing. I logged out and then reopened Thunderbird and again it opened without asking for my password. It's very strange and alarming quite frankly. Everything worked quite well on the first computer so what gives with fiasco? Unless somebody comes up with a solid answer and fixes this, it will be the last time I use Thunderbird. Patrick

Hi Guys,

Thunderbird version 128 is missing in the release page - https://www.thunderbird.net/en-US/thunderbird/releases/

Do look into this.

Regards, Asif

I am attempting to install Thunderbird on a new laptop and move personal folders from old to new PC. The installation process finds my email address and ISP information but fails with incorrect password.

Steps - 1. enter user name 2. enter email address 3. install finds correct ISP information 4. accept ISP information without changes 5. enter email password 6. process popup say incorrect user name, ISP info or password 7. login to ATT.NET successfully which indicates to me that the userid and password are correct for email account.

what other information could I supply to assist with problem resolution? I do not know what to do next.

Thank you, Neal

I see duplicate menu items for addons under Tools menu for some addons like ImportExport Tools NG for example and its developer identify the issue as longstanding Thunderbird bug on Mac.

Any idea about the isse?

I have a new laptop and did a backup of my files on the older laptop (Windows Home) and restored them to the new laptop (Windows Pro). Then I installed Thunderbird on the new laptop and I already had e-mails on it. But there are thousands of e-mails in the wrong folders.

The Windows Home has Thunderbird 128.10.oesr (32 bit) and the Windows Pro laptop has Thunderbird 128.9.2esr (64 bit). What should I do? Should I uninstall Thunderbird on the new laptop? Then what?

I need to do something with a profile folder, right? But what?

Please help.

It's a mess right now.

Moving from a Win 7 (v. 115.8.1) to Win 10 (v. 138.0.1) installation. I don't keep my profile in the default location in AppData but rather on a separate drive for data G:\tanguero88\mail\Thunderbird\... which on the new computer would just be H:\Thunderbird\ ... (i.e., not the same path).

No problem following the instructions at https://support.mozilla.org/en-US/kb/moving-thunderbird-data-to-a-new-computer and even editing profiles.ini if necessary. The concern that I have is that the profile location is hardcoded in several files withing the profile folder, specifically prefs.js, folderCache.json, permissions.sqlite (binary file), addonStartup.json.lz4 (binary file) and extensions.json.

E.g. especially in prefs.js there are many user_pref entries that have the foldername embedded such as this one:

user_pref("extensions.bootstrappedAddons", "{\"es-AR@dictionaries.addons.mozilla.org\":{\"version\":\"2.6.3.1\",\"type\":\"dictionary\",\"descriptor\":\"G:\\\\tanguero88\\\\Mail\\\\Thunderbird\\\\Profiles\\\\p271pzrc.default\\\\extensions\\\\es-AR@dictionaries.addons.mozilla.org\",\"multiprocessCompatible\":false,\"runInSafeMode\":false,\"dependencies\":[],\"hasEmbeddedWebExtension\":false},\"pt-PT@dictionaries.addons.mozilla.org\":{\"version\":\"18.4.18.2\",\"type\":\"dictionary\",\"descriptor\":\"G:\\\\tanguero88\\\\Mail\\\\Thunderbird\\\\Profiles\\\\p271pzrc.default\\\\extensions\\\\pt-PT@dictionaries.addons.mozilla.org\",\"multiprocessCompatible\":false,\"runInSafeMode\":false,\"dependencies\":[],\"hasEmbeddedWebExtension\":false}}");

and others with pointers to addons and some whose function is not really evident.

Obviously, just copying the folder to the new computer and pointing the new Thunderbird installation to the new folder is not going to update these hardcoded filenames in the new installation without some kind of a "smart" import feature that makes all these little changes. It seems quite tedious (though not impossible) to go in with a text editor and do all these manually, though even then the .lz4 and .sqlite are binary files so not that easy either. And if I don't update, it would seem that something, sooner or later, will break!

This does not seem to have been documented in any of the articles on the subject that I've read. So what's the deal? Will Thunderbird recreate these? Will it choke on it? Will I just silently lose whatever settings these user preferences correspond to?

Thanks!