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Firefox Sync failed - is there a way to retrieve an older version?

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  • Letzte Antwort von Paul

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Hello, I am in a dreadful situation.

I needed to format my PC, changing OS from Windows 10 to Windows 11. I have backed up my Mozilla profile just in case, along with other things.

Long story short - my backup failed. I thought that shouldn't be that much of a problem, as there's Firefox Sync. After getting the new OS, logging in to Firefox Accounts, syncing... nothing. It synced with the current state (so brand new browser) and didn't import anything. Bookmarks or history, which are very important to me. Currently, I have no way of retrieving them.

Is there a way to get Firefox Sync to Sync with what was saved some time ago? Literally anything before February 1st will work for me. I am very dependent on my browsers, Chrome synced perfectly fine, Firefox didn't.

I cannot find any relevant information on this topic, is there any chance of getting help here?

Hello, I am in a dreadful situation. I needed to format my PC, changing OS from Windows 10 to Windows 11. I have backed up my Mozilla profile just in case, along with other things. Long story short - my backup failed. I thought that shouldn't be that much of a problem, as there's Firefox Sync. After getting the new OS, logging in to Firefox Accounts, syncing... nothing. It synced with the current state (so brand new browser) and didn't import anything. Bookmarks or history, which are very important to me. Currently, I have no way of retrieving them. Is there a way to get Firefox Sync to Sync with what was saved some time ago? Literally anything before February 1st will work for me. I am very dependent on my browsers, Chrome synced perfectly fine, Firefox didn't. I cannot find any relevant information on this topic, is there any chance of getting help here?

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Hi

Thank you for your question about the Firefox Sync service.

It appears from your question, that you are using Firefox Sync as a back up service. This is not what Sync is designed to do. The Firefox Sync service takes a copy of the data you wish to include and transfers it to a second device (typically a mobile device such as a tablet or a telephone) running a copy of Firefox. The storage in between all attached devices is both temporary and fragile and is not stable enough to be (and is not designed as) a reliable backup service.

If you have a copy of your Firefox profile for desktop Firefox, you may be able to recover your bookmarks and other data. Please have a read of this article.

If you have a copy of your data on a mobile version of Firefox, please follow these instructions to connect it to Firefox Sync to copy your data.