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Is 'Sync Firefox data' a way to 'back-up' your browser?

(ie: Can I retrieve all my urls even if I change my iMac (etc) to a later one?) Is 'Sync Firefox data' the way to do this?

Thank you.

I have used Firefox bookmarks via sync for 20 years!! My previous computer is bricked and cannot be accessed. I have a fancy sync code but when I download Firefox on my phone or new computer, it’s like I’m a first time user. It offers me a new sync code but won’t allow me to use what I have. Are my files recoverable? Can I wipe from my old machine too?

I had to reset my computer. Then when tried to sync my mozilla data. Maybe because I had to change my password due it was in my computer's passwords key (I didn't memorize it, my bad). I'm worry because I'm a ebay's seller and all the bookmarks are so important for my store due there are info of my items future sales. So I'm so sad and desperate. I'll GREATLY appreciate your help, please. Thank you so much for time.

Hello! I had to reinstall windows 10 recently due to a blue screen of death type crash, and if memory serves, this also happened to me year years ago and I was able to recover my old Firefox configurations, bookmarks etc. This time, I am getting nowhere even though I signed in to Firefox with the same email address I've had size the Mesozoci Era. Am I doing something wrong? This is driving my OCD CRAZY.  :)

I have profiles on desktop , i had enabled sync in all profiles when the feature was first introduced. the account icon always showed that it is syncing , but in the sync tab , no visited tab list appears of any profile in both the desktop .,, i installed firefox on the android today to check synchronization but its tabs never show in desktop profile and the android tells last synchronization never....neither the desktop tabs appear in android history

Since Mozilla no longer supports Lockwise, I am trying to sync my iPhone to my laptop to get all my passwords. INstructions tell me "Sync Firefox on your phone or tablet 1. Open Firefox on your mobile device. 2. Go to the menu ( on iOS or on Android) and tap Sync and save data 3. Tap Ready to Scan and hold your phone over this code" First of all, this choice does not exist in the iPhone Firefox menu. If I go into "Settings" and press "Sync now" none of my passwords show up within Firefox. Please help. Thank you.

Hello Mozilla. I am logged on to my Firefox account on a new computer. Although I have logged in, I haven't experienced Firefox automatically syncing my bookmarks and extensions as I did two computers ago to this last computer. I have tried syncing numerous time (pressing the sync button in my account) to no avail. What do I need to do to get this working? Thank you for your time and attention.

win10 last FireFox, how migrate all open tabs from one computer to another I cant find clear instruction or video, all they are old and mention about menu part which my vercion does not have.

I can't get open tabs to sync from my other computer. Bookmarks synced and other info but I don't see anything about tabs from other devices. I've synced both ends, both are logged in and I've selected open tabs in both. Nothing,

Dear Support,

I have two laptops - both identical accounts signed in and would like to sync them so that when I open Firefox on laptop 2 it will show me Firefox on laptop 1. and if laptop 2 was last used, then when open laptop 1, it shows me Firefox on laptop 2.

currently it is separate and unique instances.

how do i automate the sync?

thanks, Nicholas

So recently I had reinstalled windows and reformated all my drives, I am also sure that this account is my only firefox account. But when i checked the sync data it shows only 1 sync data which is today 14/3/2025. I am also sure that I had left all my sync data as default therefore it should have automatically sync. But currently I do not have access to my bookmarks, etc