
backup pcv
I have made under Win10 a backup file for Thunderbird: 140.3.0 (de)-2025-10-01.pcv. Now under Linux Mint I want to make update for Thunderbird, but the file *.pcv cannot be read. Please for help.
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The PCV file backup was possibly from Mozbackup, a long rejected unapproved backup. I suggest you go back to the original and create a backup that is transportable. is the Windows PC available? If so, here are the steps for a transfer to windows and this also works with minor adjustments for Linux: 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:
- ensure thunderbird is NOT running on old machine
- enter %appdata% in search window on task bar and press Enter key
- this should open windows file explorer in Appdata\roaming folder
- highlight the Thunderbird folder and copy to external media
- ensure thunderbird is installed on second computer and NOT running
- enter %appdata% in search window on task bar and press Enter key
- 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
- start thunderbird and all should be there