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firefox crashed, all my 160 windows shut down, when restarted, no history was availible to reinstate the 160 windows, how do i restore these from backsups?

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I found the sessionstore-backups folder on pc, but they all seemed to have been created at the same time as the firefox crashed, so i am presuming, no data? Just the one window from the restart? Is there older version backups anywhere?

I found the sessionstore-backups folder on pc, but they all seemed to have been created at the same time as the firefox crashed, so i am presuming, no data? Just the one window from the restart? Is there older version backups anywhere?

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Please see all Contributor comments on this page : https://support.mozilla.org/en-US/questions/1229129