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Hello, I have just reinstalled Windows on my PC and when I logged into my Firefox account, none of the data I had synced up. I lost all my bookmarks, accounts, logins, etc. Is there any way to get them back?

Hi, Thank you for your help My two devices are connected and recognize each other. The bookmark sync works somehow but seems frozen 6 months ago. The new macos : 13.1 with firefox 131 The old mac os :10.11 and firefox 78 I don't understand and can't sort it out.

Hey guys,

I kinda need your help. I just switched from Windows to Manjaro Linux and I cannot retrieve my Firefox bookmarks and passwords. I do not have access to the old setup because I have formatted the disk and I have only this one on Linux.

I have used my Firefox account multiple times in order to login on a new device and every time it has retrieved my bookmarks and passwords but not this time. Before logging in from this device I had to reset my Firefox password because I had forgot it -- is this a security measure maybe?

Are my bookmarks and passwords gone forever? Thanks!

On 2015 MBP Mac OS El Capitan 11.6 new Firefox 78.15.0 esr won't sync with my older MBP running El Capitan 11.6 but it will sync to the 2015. How do I get the 2015 replacement computer to sync?

My profile seems to be corrupted. Starting Firefox with that profile completely crashes the computer, but when I reinstalled Firefox and it started with another profile it was fine. Switching back to my profile immediately crashed the computer. Is there a way to extract the history/bookmarks/passwords/etc. from my profile folder without starting Firefox? Thanks in advance!

This if Firefox 131.0 on MacOS 10.15.7 (Catalina).

Sync collections after Android factory reset, have Firefox on desktop that is synced, but the new Android install synced bookmarks but not collections, of which i have many, or did.

I'm sure I've just missed a step, but been reading for 3 weeks now .... any idea's?

I had a firefox account on my pc then i changed the windows version when i downloaded firefox on the new windows and logged in (i forgot the password so i had to reset) i cant find my old data i tried syncing note that i have changed windows alot and never faced this issue

I have what i am sure is a common scenario, a work pc (mac) and home pc (linux), and I want to have a work profile and home profile that are independently synced across those PCs.

It's no problem to setup sync for the work profile but while setting up sync for the home profile it seems firefox doesn't grok that the home profile already exists and treats it like a new mozilla account.

In debugging this issue (and the "Primary account email required for sign-in" issue, which prevented me from signing in at all) i've come across numerous articles that imply this basic home<->home work<->work sync across 2 devices does not work with firefox. Is this the case? this is a basic (IMO mandatory) requirement for a browser in 2024 and even the difficulty of setting this up is super jarring coming from Chrome.

Hello: FF dev 132.0b2, w11p. It's become wacko.

I don't know the cause. My guess as to what I see: FF has gone into permanent troubleshoot condition. Help menu seems to say it's not there, but this is

What I have:

-black theme -limited address bar, most of my items absent -NO items in bookmarks bar -NO extensions

What I want (what was there before) -ALL of the above (full items I put in address bar, including ghostery, bitwarden and all other -ALL extensions -my chosen theme (a light one)

What I did:

last nite: 2 oct, I hit the restore button in help menu, troubleshoot item. IT WORKED!

What happened next today, 3oct, I go to "america cares. org" site, and all of a sudden the "what I have" Firefox (as above) has taken over. -Hitting the restore in the help menu did NOT fix this time.

What's next:

-- do I try to restore a previous dev build version? Just follow the Moz instructions?

I did, last night, add a stable FF (in addtion to dev build, not replacing, in its own separate folder). Since the dev build was working again after refresh last nite, I removed the stable using Revo. Do I try that (again)?

Thank you.

I often use the Sync function to bring open tabs over from my smartphone to my desktop computer. I have noticed over the past month or so, this functionality has become increasingly unreliable and sometimes does not function at all. At the moment I have no synced tabs showing on my desktop. I have signed out and back in to Mozilla on both my smartphone and desktop multiple times, checked the sync settings, and nothing seems to resolve this. There have been a couple Firefox updates on both the desktop and mobile side, none of which have changed this behavior.

Has anyone else been experiencing this? What other trouble shooting steps can I perform? Any help is much appreciated.

Desktop FF version: v131.0 Mobile FF version (Android): v130.0.1

Somehow I lost all my Firefox bookmarks and passwords when computer was rebooted with a Windows 10 restore point. I am having difficulty installing an old firefox profile into the new Firefox browser. The Firefox Trouble Shooting suggestions are very confusing and hard to follow with lack of step by step detail. Help!