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After clean format I didnt got sync all my previous booksmarks from the same firefox account. Please help

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Unfortunately I didnt backedup my bookmarks from broweser but yed I synced it and I am sure about it. But after clean format of my laptop and I signed in firefox with same account, but I didnt got back all my bookmarks and addons or extensions. Need help to get back all my bookmarks.

Unfortunately I didnt backedup my bookmarks from broweser but yed I synced it and I am sure about it. But after clean format of my laptop and I signed in firefox with same account, but I didnt got back all my bookmarks and addons or extensions. Need help to get back all my bookmarks.

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Sync is not a backup service. It is a data transfer service.

If the device that you Sync'ed with didn't save your data and you neglected to backup your important information then, it is probably lost.