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On my Windows 11 laptop, in Thunderbird v 148.0.1, I changed the entries for Accounts>"Your name" for all of my accounts. I then Tools>Export the settings to a file. It was reported as 1.97Gigs, and Krusader displayed it as 1.9Gigs.

On my Linux laptop, I imported the settings into Linux Thunderbird v 140.9.0esr (64-bit). It did not import the new names. When I attempted to edit them, Account Settings mode says "Account name already exists" and appends _2 to the account name.

I forgot to make a backup before I undertook this.

How can I fix this?

My old computer -- a Macbook Pro -- lost its wifi connection. But I can still access Firefox and "Manage Bookmarks." My new computer is also a Macbook Pro. So is there a way I can copy my bookmarks to my new computer?

Locking this thread, please continue here: [/questions/1571098]
I want to transfer my saved bookmarks and collections from firefox to ironfox...ON THE SAME DEVICE.

How is this possible?

My desktop win 10 computer system crashed. While the operating system was zapped, the actual c: drive was intact. A new c: drive was installed with win 11 pro but when I connect the old drive to the new system, I am locked out of the user>apps>thunderbird folders ( access denied). Is there a way of overriding this security feature? I was hoping to be able to import my profile with several email addresses and their associated archival data. This is more complicated than I was expecting.

I googled how to import bookmarks to Firefox from chrome on iOS. It said to go to General-import browser data. But there is nothing under general that says “import browser data”

I am running Thunderbird 140.8.1esr on macOS Tahoe 26.3

I created an IMAP account in Thunderbird to replace a POP account

I want to copy the Thunderbird message filters from the POP account to the IMAP account

I read articles on Mozilla Support and these said to copy the msgFilterRules.dat file but I cannot find this file

How can I copy the message filters?

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)

I'm reading this> https://support.mozilla.org/en-US/kb/thunderbird-export#thunderbird:linux:tb148 Looks great but all of my messages sit on IMAP servers and I don´t need a backup of those. I _do_ need a backup of settings, passwords, pgp keys, to move to another workstation. It is unclear what exactly is exported.

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