I had 14 tabs, i closed firefox and went to sleep. next day i opened firefox and accendently closed it without restoring prev session.I lounched it agian and pressed restore prevous session but it came back to the empty session the one which i closed.seeing both the seesionstore.js and bak both had low kbs i knew it had been overwritten, so i replaced both these files with the latest backup i had, a day old one. What does the js file contain? By replacing did i lose bookmarks, seached text, ect.Does the file get reset if you don't restore preous session each time.What does the seission file contain and did i lose any other data. I noticed on youtube its asking me about service cookies.I get this message on private browsing not on regualer browsing. Is this beacause somthing got reset by changing the session file.

The sessionstore.js file only stores data about the currently open tabs including App (pinned) tabs and Tab Groups and closed tabs and windows. Cookies used by those tabs may be stored as well as part of the session data, but other data like bookmarks (places.sqlite) and saved form data (formhistory.sqlite) is stored in other files.

• http://kb.mozillazine.org/Profile_folder_-_Firefox

So did i lose anything by replacing the sessionstore.js file? does The file get reset anyway when you close and open without restoring prev session?So nothing got lost? Technical info will help

No, it is not very likely that you lost anything apart from the tabs that were open before restoring the session from the sessionstore.js file. You can bookmarks such tabs if you would like to keep them for future use (visit).

the session.js gets reset to the last session if you close and open without restoring prev session.is this true?

The only thing i lost is the session back to the point of the backup up.Does the file anyway get reset, so by changing the js i did no harm or loss to anything else.

Dupe!
Original at /questions/992228

Closing.

I'm lying...Nevermind.