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I've reinstalled Windows, didn't backup Firefox bookmarks (i tought Firefox Sync will do that for me) and now it seems i've lost them. What can i do?

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locking as a duplicate - https://support.mozilla.com/en-US/questions/794681

After reinstallation of Windows and reinstalling Firefox, i did the firefox sync with (i think) a newly generated key, because the old one was lost. after all the steps where completed and hitting the sync now button, no syncing was done. no old bookmarks links or directories we're restored. please help! thanks.

''locking as a duplicate - https://support.mozilla.com/en-US/questions/794681'' After reinstallation of Windows and reinstalling Firefox, i did the firefox sync with (i think) a newly generated key, because the old one was lost. after all the steps where completed and hitting the sync now button, no syncing was done. no old bookmarks links or directories we're restored. please help! thanks.

Modified by the-edmeister