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I have a window home computer that was upgraded from w10 to w11. I had to buy a new w11 machine at my vacation home because the old one was not upgradeable. I was successful in moving the profile from home to vacation home. But a month later I corrupted w11 on my new vacation machine while loading my earlier version of Adobe Photoshop from their instilling disk. W11 could not be repaired and I had to reinstall new w11 while keeping my files etc. This time Thunderbird would not let me move/use my old profile file. No mater what I tried!!

In the past, I've always moved the profile file "Thunderbird" in Appdata file to the new machine and renaming the installed Thunderbird file with XXX after it. It always worked in the past. My profile file is over 2mb. I've tried using all of the logical import options in this new instillations and only get error messages that it could not import the data and to look at the error console? Which I don't know where that is located. I will look for it in w11.

I think that the only difference (which I don't think should make a difference) is the directory name file difference after "users"

Any help would be much appreciated!!!!!!!

Jim Flora (Long time Thunderbird user and supporter)

My thanks again to sfhowes, Rick and others for assisting me to get back my ability to once again send e-mails from Thunderbird. Now for the next step.

Just days ago, I migrated my years of Thunderbird e-mails on a POP protocol to IMAP. Before doing so and before also uninstalling my old Thunderbird because of e-mail sending problems and then reinstalling a new version, I saved a profile. Now with the most current version of Thunderbird, I lost (i)a decades worth of saved inbox e-mails (but for the last 2 years), (ii)I lost all of my sent e-mails but a few odd ones, (iii)I lost my archived e-mails in Local Folders and (iv) I lost all of my contacts and saved group e-mail address lists.

My profile is saved on an external hard drive. Obviously the new installed version of Thunderbird must have somehow found the last 2 years of my inbox e-mails but nothing beyond that as mentioned above. Can you share please a recommended procedure where I can better import what I assume I saved correct on the profile I saved twice (I saved a master folder named Profile and separately saved 4 folders - 2 folders ending in default and 2 ending in default-release. Thank you.

I've been upgrading from Win 7 and Thunderbird (TB) version 68.1.1 (32 bit) to most recent TB Version 145.0.7632.117 (Official Build) (64-bit) NOTE: From a old Dell Inspiron 580 to Alienware Aurora Act 1250.

With new system and TB, I can export with handy-dandy exporter for TB 145.0.7632.117 but need them off old Windows 7 box. I see that the Legacy Add-on "Password Exporter" doesn't have versions high enough to work with most recent TB. And, I can't find a exporter for the old TB.

I have tried listing them in the old TB, but can't Capy/Paste. I made good quality screen caps and pieced them together in to one list. I was hoping to put the screen cap through a OCR but too costly for just one operation, and won't put it to a Online OCR - not when the image contains such things as ID';s and passwords.

Is there any way the data and passwords can be extracted from the old TB?

Many thanks for your help,

~r

Hello. I have followed the instructions to copy the profile file to a drive and take it to the new computer so my Thunderbird will be the same on both laptops.

BUT I get a message that the profile file is not available. And I searched for the file by name and found nothing!

The actual message is attached.

I need to copy my emails to the new laptop.

I am updating from an old iMac to a new MacMini.

My new macMini does not seem to like my old Thunderbird program so I have downloaded a current version. 

How do I transfer all my old email contacts and old emails to the new platform? I am, in no way, technically savvy so I need simple answers, Many Thanks, John

When I open the settings in Firefox on my chromebook, I don't have a option to import data at all. It's just missing. I keep looking up how to do it, and it keeps telling me to go to settings, under general find the import data, and select chrome. But there is no import button at all.

Hello, I'm getting a new PC next week and I am concerned how to install Thunderbird in the new PC. And is there anything I need to do in the old PC to make the move smooth so it continues to work.

Thank you for your time and efforts ahead of time.

Hello

I have Thunderbird set up on my Android phone and I’d like to transfer the settings to my desktop (Linux Mint) Thunderbird.

The only export option that I can find on Android produces a .k9s file but I can’t find any way to load that in to Thunderbird desktop (although it worked great going from Android to Android).

There seems to be plenty of Help to go from Desktop to Android but nothing about going the other way.

There’s always the option to enter the IMAP ans SMTP settings manually but, surely, there’s a better way?

Mike

My os crashed. I have been a t.bird user for years. Luckilly took a backup file .thunderbird on flashdrive very recntly. new zorin loaded and comes with t.bird installed. i have no password. i have not yet done anything and ask for step by step help i have opened t.bird abd it asks for email and password. i did not enter anything

I just installed Ubuntu 24.04.3 LTS to an old computer and I want to export my profiles and contacts from my other Windows computer Thunderbird, over to the new Linux version of Thunderbird. I suppose the other option is to re-import from Gmail contacts. Please advise. As others migrate from Windows to Linux this could be a common question.

I have a new windows 11 laptop. Transferring from a windows 10 laptop. I have installed Thunderbird on new machine. It is also my email on old machine. I have clicked on import within Thunderbird. The instruction is to go to C:/Users/myusername/AppData/Roaming/Thunderbird/Profiles/b4553kng.default NB I can't find backslash on my keyboard, so I'm using / When I look in myusername, there is no folder called AppData There is a folder called Roaming, but it just has folders Intel/Wireless, which is empty. In C: Program Files, there is a folder called Mozilla Thunderbird, but it has no folder called Profiles. I have seached C: for any folder called AppData, but no results. Can anyone help?

I've saved my thunderbird data from Win10 computer following the instructions but when I copy the file to the new computer win11 it doesn't seem to work I'm not sure whats happening. The process I followed is install thunderbird, go to help menu, trouble shooting , open file (profile), close thunderbird, go up 3 levels to roaming, then paste the copied file in the thunderbird file and close. then open thunderbird. It still wants me to set my account up and there is no data. Is there something I'm missing. Thanks for any help in advance. Cheers Stuart

I changed operating system from Win 10 to Linux. Can I import the file or files from my Firefox on Win 10 to my Firefox on Linux? If so, where can I find them on the windows drv and what is the file called? Thanks for your help Ray