this post was submitted on 17 Jun 2025
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Thanks, I'll look into it. I tend to avoid messing with the local app folders which are often hidden and can be break if you change something.
Personally, I've been sharing this folder across different installations for years, even between different operating systems. I've never had any major issues so far.
The only minor annoyance is that whenever I switch between Windows and Linux I have to restart the browser once, otherwise extensions do not load on the first run.
So yeah, I would say diy-syncing this profile folder is feasible and very reliable. Same thing is true for Thunderbird, but I've been doing it for less time. And I would assume the same thing is also true for Chromium-based browsers because I do it with Signal which is Electron-based.
For what it's worth, on Windows,
AppData\Roaming
is intended to be shared across devices to some extent (there's more nuance but the point being I'd be less worried about syncing data from there).I've migrated my Firefox profile to multiple different computers and even from Firefox to Floorp. No issues. It's also something I have backed up to my NAS daily since it contains everything - just plop it in and I've got everything the way it was before.