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I have a new PC and want to copy my existing filters on to my new PC. I have 116 filters set up and do not want to have to manually add them. I tried exporting my profile from my old PC but it is 38Gb

Hi,

I'm trying to move Thunderbird from my Windows 10 laptop to one where I just installed Linux (Zorin Pro 17.3). I followed the instructions here: https://support.mozilla.org/en-US/kb/moving-thunderbird-data-to-a-new-computer

I installed Thunderbird 140.4.0 esr, which is the latest version. Both laptops now have that version installed.

But when I open TB on the Linux computer, and close the Account Setup window, and go to the Troubleshooting screen, next to "Profile Directory" it says "Open Directory", but when I click on that, nothing happens. So how can I paste my TB profile? Do I have to start a new profile first, and then copy over that?

I installed TB from the "Software" area, which I believe is a Flatpak. I'm very new to Linux, so just fumbling around here. There were 3 options of Thunderbird. I installed the one that had the most information and seemed most up to date. That was confusing.

I would LOVE some help on this.

Thanks!

Hello,

Moving from an older Ubuntu 18.04 machine where Thunderbird is limited to version 102 to a newer machine running Mint 22 where the current version is 128.6

According to https://support.mozilla.org/en-US/kb/upgrading-older-version-thunderbird This should work without issue but the latest version mentioned in the article was 115.

Any change since the article was written? Do I need to install older versions to handle the migration to the latest?

Alternately would using the Export / import tools be better for this task than transferring the profiles?

Thank you

For some years I have transferred the current Thunderbird data profiles from a desktop computer to a laptop once a year when traveling. When returning home six months later I have been able to delete the old data profiles in the desktop and transfer the 'current data' from the laptop over. This system has worked for some years however after recently upgrading the laptop to the latest version (140.2.1esr) and installing the latest version on the desktop (both 140.2.1esr) the transfer of data fails. The program identifies the data on the laptop as an "old program". Could someone point me in the right direction and advise where I am going wrong at the moment. Thanks in anticipation , Bruce

how to convert from v128.6.2 esr(32bit) to v137.0.1 (64bit)

In the past, to update the mail on another computer I simply copied the profile folder. But the new installation is now version 137.0.1 and the profile structure is very different. How do I bring the accounts and all existing mail to my new computer?

thanks for your help.

I've tried 7 times to import my bookmarks from Chrome into Firefox. Firefox says that the import was successful each time, but the bookmarks aren't showing up in the Bookmark Tool Bar. It's only showing the older import, not the latest. If I go to one of the new pages, it shows that it is bookmarked, but the list that it belongs to is nowhere to be found....

So how do I update to the newly imported "Imported From Firefox" folder?

Hello, I just used the Firefox 141.0 (aarch64) wizard for Raspberry Pi OS 1.0, to import bookmarks from Brave, however the wizard said 0 bookmarks imported.

I also manually exported and imported the bookmarks.html file and the latest bookmarks aren't appearing at the top. It seems the bookmarks are nested in some bookmarks directory by default. I'm confused?

Also I tried a manual import several months ago but same issue about some strange nesting structure rather than simply appearing at the top. Now I'm really confused and worried I'll lose my bookmarks as there's about 3 version in various nested structures. Please help just make an easy move to Firefox.

I'm sure this is a really dumb question but I'm all set to unzip my profile backup into new machine. I see it named in the Quick Access window, but a double click on it brings an error message that I have to unzip it first. Clearly I'm learning both my laptop and win 11 at the same time, and I don't know where/how to unzip it. I'm confused, I hope my question isn't. Can anyone talk me thru getting it unzipped so I can import it into Tbird in new machine? Thanks, Stacy

I am trying to export my profile and associated information to my new PC. When i follow the instructions given for export I can't find a file that ends xxxxxxxxx.default-release. This is what I have found: C:\Users\susan\AppData\Roaming\Thunderbird\Profiles\epkxk9e0.default Obviously it doesn't have the default ending with -release. How do I get to that? If I can export to a .zip file can I upload that to the new PC?

I have followed all of the on line instructions to move/copy Bookmarks from Firefox Nightly (current version as of 20February025) to regular Firefox browser. Both are running on same machine. Nightly install is also running Firefox ad blockers. Following all of the instructions on line I can find to accomplish, but cannot move book marks to Firefox. Have copied bookmarks from Firefox Nightly as HTML file to stand alone device but unable to get the bookmarks to import from stand alone device into Firefox. Assistance please.

Good morning you wonderfull people, I tend to update my computer once every so often. And that time has now come, I have to go through all the setting and extentions on my new system with Firefox along with many other settings for my faverate sorfware. Is there a way to copy all the existing settings to my new set up. Along with tool bar bookmarks that I can't seem to figure out how to export like the normal bookmarks. Kind regards Victor.

Several Months ago I bought a new W11 HP laptop and successfully followed the following procedure provided by David to get my TB profile/data and all files and folders onto this new computer. Here is the link for moving a profile in Windows when installed in default location:

https://support.mozilla.org/en-US/kb/moving-thunderbird-data-to-a-new-computer

here is the info in brief steps:

 1.  ensure thunderbird is NOT running on old machine
  2. enter %appdata% in search window on task bar and press Enter key
   3.this should open windows file explorer in Appdata\roaming folder
  4. highlight the Thunderbird folder and copy to external media
  5. ensure thunderbird is installed on second computer and NOT running
  6. enter %appdata% in search window on task bar and press Enter key
  7.you should be in Appdata\roaming folder , copy&paste the exported Thunderbird folder there. This may prompt to overwrite an existing folder of same name. allow it
  8. start Thunderbird and all should be there 

There were a few hiccups but it works great! I now want to make sure I am creating a back up copy to save on a flash drive just in case something happens. I followed steps 1-3 above and that should be my back up..RIGHT? I did that and saved it in a folder labeled TB back up Profile and a date. My old was was to just back up the TB profile folder alone but I think this one saves everything. (accounts, folders, Local etc. Have I done it right???

Trying to "copy" my Win10 Thunderbird setup to Manjaro Linux. Have read the help page on moving to a new PC, but there are a few "differences" from the article and none of the obvious things I tried are working. (note this has worked in the past going between Win machines)

Win10 TB version is 115.10.0; Manjaro TB version is 141.0. I can locate the windows dir and copy it; it is "Thunderbird". The Linux dir is ".thunderbird". I've tried copying the win dir tree over and renaming it to .thunderbird but that was a bust. TB just recreated a .thunderbird dir with defaults in it.

So I am wondering what to try next. There is a .1 version of Win TB, with that have a more compatible dir structure for linux? Something else to try??

Thanks

My bookmarks in Chrome do not import into Firefox. I've Tried importing right from the Chrome browser and importing with an HTML file. No success with my bookmarks. I was able to import an extension, but I deleted it as that isn't my focus. I've checked the HTML file and it does have content (viewed in NotePad). I've looked in all the Bookmark options, but nothing imported there. I paused my NordVPN, no change. I've rebooted my desktop nothing changed. I'm running the latest updated version of Win 11.

Please advise.

It seems that my main page settings aren't the same from one computer to the other. For instance, I use Roboforms password keeper and have an icon for it above the bookmark ribbon on one computer, but moving to the newer computer, that is missing. What am I doing wrong?

Hi, Not sure where to begin. Had issues w/mouse and decided to reimage. Copied all files from C:\Users\user\AppData\Roaming\Thunderbird. Now have no msgfilteres, folders in Local Folders, or an Address Book.

I used info from https://windowsloop.com/backup-restore-thunderbird/. Was this wrong? Where did I mess up?

Thanks

I transferred content via a Time machine backup of my old macBookPro (Ventura 13.6) to my new macBookPro (Sequoia 15.6.1). The Thunderbird folder is identical on both computers and contains two profiles: a newer 9389qbc0.defalut-release and an older r13n4n5e.default. The former presumably is active on my old computer and is the one I want to view/use on the new computer. However, the older version appears on my new computer. How do I get Thunderbird on the new computer to recognize and load the newer profile? Thanks much for any assistance!