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Lost all bookmarks, extensions, etc. on reinstall. (Even though i synced before)

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I've just reinstalled Firefox and synced before reinstall, and my sync is a very early version (must have been about a year prior). I've lost everything, is it possible to look over my files or somehting and find my bookmarks at least? I have lost some very important stuff.

I've just reinstalled Firefox and synced before reinstall, and my sync is a very early version (must have been about a year prior). I've lost everything, is it possible to look over my files or somehting and find my bookmarks at least? I have lost some very important stuff.

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What's your computer system and Firefox version?

Look on your desktop. Do you see a folder called; Old Firefox?

https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile

https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles

https://support.mozilla.org/en-US/kb/how-run-firefox-when-profile-missing-inaccessible


Type about:profiles<enter> in the address bar. How many profiles are listed? How many should be there?

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Sorry, but Sync isn't intended for long term storage = a year. Nor is Sync intended to be used to backup a single device while the user re-installs the operating system. Sync was made to synchronize Firefox user data between multiple Firefox installations.

There is no direct user access to Sync data to "look over files" while it is on the Sync server. Access like that wouldn't do you any good, the data is encrypted and only a Firefox installation can access that data and decrypt it - using the Password that was in effect at the time the data was sync'd. The server can't even read the "blob" of data which is sitting on the Sync server, and doesn't even see separate files.

Change the Password and the data becomes useless; a different Password can't decrypt the data and the Sync server automatically deletes the data when the Password is changed to allow a fresh load of data to go to the Sync server.