Firefox Community Forum

Hello Mozilla Support Team,

I am writing to request assistance with recovering my Firefox Sync data.

I recently reset my PC and after reinstalling Firefox and logging back into my Firefox account, my bookmarks and saved passwords are completely gone. I believe the sync may have overwritten the server-side data with an empty local profile after the reset.

Account email: [edited from public] @gmail.com Approximate date of data loss: 02 25 2026

I had been accumulating this data for approximately 1 years and it is very important to me. Could you please check if there is any backup of my sync data on your servers that could be restored?

Thank you for your help.

Anybody else having issues with this feature? It had been working well to send tabs from my tablet and phone to my desktop computer, which I have been doing due to the lame way that FF uses for filing bookmarks into folders on the mobile devices.

A few days ago I started seeing "unable to send" popping up after a delay, instead of "tab sent" which typically appears immediately. Sometimes, the tab is sent even though it says it wasn't and sometimes it will send it after repeated attempts, and other times it doesn't. My wireless network and ISP connection are high speed and reliable.

So far, the problem only appears when trying to send from mobile to desktop. Sending from the desktop to mobile seems to work fine. The problem started while using 147.0.4 and persists after upgrading to 148.

I sent another help request on this subject but that too seems to have gone AWOL so I am trying again.

My passwords are being randomly wiped from my PC yet again but this time, although they are still on my Google Pixel 7 phone, Sync is not working for passwords. Strangely however, tabs are being synced.

I have tried every suggestion that I have found but syncing is just not happening.

To re-cap:- Passwords are not being synced from phone to PC Tabs are being synced between phone and PC.

Any suggestions?

Moderator note: This question has been edited to add a link to the previous question.

After using firefox for most of my life i am disappointed with the current service i am receiving. I have recently purchased a new laptop with windows 11 installed & no matter how many times i try my passwords are not being synced. I have imported them from my last device but the only password that is showing is the mozilla firefox account. Please help as i am constantly having to change my passwords as the previous ones are not shown. Thanks

Why isn't the customization layout being maintained in the sync?

I use Firefox on one computer, and when I opened another computer, installed Firefox, and logged into my profile,

the bookmarks appeared (but without icons).

The add-ons also appeared, but they were all hidden in the add-ons list.

I have to rearrange them and pin each add-on individually to the browser's top bar to be able to browse and access other icons like (Settings, Library, and the Home button).

This is a waste of time and effort and very annoying. The customization layout should also be synced.

Hi, I just started using Zorin 18 os and downloaded Firefox, signed in, but my bookmarks are not there. I've tried sync and that doesn't work. I've also tried the cmd prompt sudo add-apt-repository ppa:mozzillateam/ppa and it says not found.

Thank you Bonnie McKelvy

When I'm on my phone and signed into my Firefox I want to be able to send tabs to my desktop. I'll click the three dots on my Samsung 20fe, click share, and click send to device. My p.c. is listed and when i click on it, a box pop's up and says "tab sent. I don't know where it's going, but it's not making it to my desk top. I've tried logging out and logging back in. on both devises

Hi Team,

I am having issues logging in to my Firefox account to sync the browser.

"This profile was previously synced to a different account

To keep your data organized and secure, each Firefox profile can only be synced to one account. To sign in using [email removed]@aftc.co, create a new profile."

bold text all my passwords seem to have disappered on my desktop, I checked my mobie app and they were there. there was a message to sync this morning on sign in.

I have two separate Firefox accounts, with separate emails to log in and their own sets of bookmarks, passwords, etc. I want to merge all the data from both of those into a single profile of a single account under just one of the emails.

I'm pretty sure I've done this before, by: 1. Logging into account A and syncing. 2. Logging out of account A without deleting data. 3. Logging into account B and syncing. With the result that account B now contains all its original data plus all the data from account A.

But when I just tried to do this process now, at the point of logging in to account B I got the error "Account limit reached for this profile. This profile was previously synced to a different account. To keep your data organised and secure, each Firefox profile can only be synchronised to one account. To sign in using [account B], create a new profile."

I don't want to have separate profiles with the data from accounts A and B, I want it all merged into the same profile. How can I achieve this?

i have 4 accounts on firefox and i cannot remember which account i have been used through years now i cannot sync my old data however i have tried the 4 emails and accounts i used and non of them is working

how can you help me