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How long untill Firefox forgets your previous session?

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I know that Firefox can automatically restore my previous session if my computer crashes or is turned off at the plug, but is there a like a cut off for that so to speak? If I leave my computer off for long enough will it forget my session? Or will it automatically load up again?

I know that Firefox can automatically restore my previous session if my computer crashes or is turned off at the plug, but is there a like a cut off for that so to speak? If I leave my computer off for long enough will it forget my session? Or will it automatically load up again?

Chosen solution

Yes, if the sessionstore file is there, Firefox will use it. If it isn't, it wont. If you are reinstalling windows and it deletes your personal data, the file won't be there, so Firefox won't restore your session

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philipp
  • Top 25 Contributor
  • Moderator
5330 solutions 23537 answers

hello, probably not - the data that is necessary for restoring your session is stored as a file inside your profile folder (sessionstore.js). as long as this file is available firefox will/can restore the previous session.

hello, probably not - the data that is necessary for restoring your session is stored as a file inside your [[Profiles - Where Firefox stores your bookmarks, passwords and other user data|profile folder]] (sessionstore.js). as long as this file is available firefox will/can restore the previous session.

Question owner

Okay, well my computer has crashed and it says something about installing a system disk, would that affect it session restoration?

Okay, well my computer has crashed and it says something about installing a system disk, would that affect it session restoration?
philipp
  • Top 25 Contributor
  • Moderator
5330 solutions 23537 answers

i cannot answer this with certainty - as stated before, this will depend if the sessionstore.js-file is still present in your profile folder & readable. when you use the system disk to reformat the contents of your harddisk & reinstall windows from scratch it will be gone too of course...

i cannot answer this with certainty - as stated before, this will depend if the sessionstore.js-file is still present in your profile folder & readable. when you use the system disk to reformat the contents of your harddisk & reinstall windows from scratch it will be gone too of course...

Question owner

Okay thanks :)

Okay thanks :)

Question owner

Sorry for all the question but what if I'm playing about with the internals of the computer to sort the disk boot failure out? Does it again depend on whether the session file is still there?

Sorry for all the question but what if I'm playing about with the internals of the computer to sort the disk boot failure out? Does it again depend on whether the session file is still there?
user633449 1539 solutions 10745 answers

Chosen Solution

Yes, if the sessionstore file is there, Firefox will use it. If it isn't, it wont. If you are reinstalling windows and it deletes your personal data, the file won't be there, so Firefox won't restore your session

Yes, if the sessionstore file is there, Firefox will use it. If it isn't, it wont. If you are reinstalling windows and it deletes your personal data, the file won't be there, so Firefox won't restore your session

Question owner

Okay, thanks

Okay, thanks
cor-el
  • Top 10 Contributor
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17690 solutions 160039 answers

Synced tabs should expire after a week.

Synced tabs should expire after a week.

Question owner

Okay, I turned the computer off at the power switch at the back of the computer, would it have had time to save my session?

Okay, I turned the computer off at the power switch at the back of the computer, would it have had time to save my session?
cor-el
  • Top 10 Contributor
  • Moderator
17690 solutions 160039 answers

It takes at least 15 seconds to make Firefox store the current session after making changes to open tabs.

See also:

It takes at least 15 seconds to make Firefox store the current session after making changes to open tabs. * http://kb.mozillazine.org/browser.sessionstore.interval See also: *http://kb.mozillazine.org/Session_Restore *https://support.mozilla.org/kb/Session+Restore

Question owner

Cheers

Cheers