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Firefox can restore windows and tabs that were open the last time you used it. Learn how to use and configure it.

Firefox can restore your open tabs and windows from your last session—even after a crash or restart. You can choose whether Firefox restores your session automatically when it starts or only when you request it. If your session doesn’t restore as expected, this article includes troubleshooting tips for pinned tabs, private windows, and update-related changes. {note}'''Note:''' Session Restore may keep you logged in to sites that you were logged in to before you closed Firefox. For more information, see [[#w_session-restore-limitations-and-privacy|Session Restore limitations and privacy]].{/note} __TOC__ =When Firefox restores your session= ==When you manually select "Restore previous session"== You can manually restore your previous session from the Firefox menu if it does not restore automatically. #Click the menu button [[Image:Fx89menuButton]] on the right side of your toolbar. #Click {menu History}. #Select {menu Restore Previous Session}. ;[[Image:Sessionrestore89]] ==After a Firefox update== When Firefox updates, it often needs to restart. Tabs and windows should restore automatically after the update. If they don’t: *Click the menu [[Image:Fx89menuButton]] button, click {menu History} and go to {button Recently Closed Windows/Tabs} to recover them. *Check if Session Restore is enabled (see [[#w_configure-session-restore|Configure session restore]]). ;{for win}[[Image:firefoxupdate142]]{/for}{for linux}[[Image:fx70Linux-AboutFirefox-Restart]]{/for}{for mac}[[Image:Firefox 70 MacOS Restart to update]]{/for} ==After restarting Firefox in Troubleshoot Mode== When you [[Use Troubleshoot Mode in Firefox|restart in Troubleshoot Mode to diagnose Firefox problems]], your tabs and windows will be reopened. If they don’t: Click the menu [[Image:Fx89menuButton]] button, click {menu History} and go to {button Recently Closed Windows/Tabs} to restore them manually. ==After a crash or unexpected shutdown== If Firefox crashed or if your device shut down unexpectedly, it will usually attempt to restore your last session the next time you open it. You may see the ''Restore Session'' page: *Select the windows or tabs you want to restore. *Click {button Restore Session}. If Firefox crashes again during restore: *Click {button Start New Session} instead. *Click the menu [[Image:Fx89menuButton]] button, click {menu History} and go to {button Recently Closed Windows/Tabs} to recover your session manually. ;[[Image:Fx97RestoreSession]] ==When you've set Firefox to restore the previous session at startup== You can set Firefox to always show your windows and tabs from your previous session each time you start Firefox. To change your Firefox startup settings, see [[#w_configure-session-restore|Configure session restore]] below. =Configure session restore= To set Firefox to restore your tabs and windows on startup: #[[T:optionspreferences]] #Select the {menu General} panel. #Below '''Startup''', select {menu Open previous windows and tabs}<br>[[Image:Fx94settings-Startup]]. #[[T:closeOptionsPreferences]] =Session Restore limitations and privacy= Session Restore works for regular tabs and windows. However, some exceptions apply: {| |+ !Feature!!Will it be restored? |- |Pinned tabs||Yes |- |Private windows||No — by design |- |Login sessions||May keep you signed in |} {note}'''Privacy tip:''' If someone else uses your computer, they may be able to access sites you were logged into. To protect your information, consider disabling automatic session restore.{/note} =Disable session restore after crashes (Advanced)= If you don’t want Firefox to restore your session after crashes: [[Template:aboutconfigwarning]] #[[T:aboutconfig]] #In the ''Search preference name'' box at the top type '''browser.sessionstore.resume_from_crash'''. #Click the ''Toggle'' [[Image:Fx71aboutconfig-ToggleButton]] button next to {pref browser.sessionstore.resume_from_crash} to set it to {pref '''false'''}. =Troubleshooting= ==Session didn’t restore correctly== ===Ensure Firefox was closed properly=== To properly close Firefox: [[Template:closeFirefox]] *If you close individual windows manually, only the last closed window's tabs will be restored. ===Check history settings=== #[[T:optionspreferences]] #Select the {menu Privacy & Security} panel. #In the '''History''' section make sure that the '''Firefox will''' drop-down menu is set to either {menu Remember history} or {menu Use custom settings for history}. #*If '''Firefox will''' is set to {menu Use custom settings for history}, then make sure that '''Always use Private Browsing mode''' is '''not''' checked. #*If '''Firefox will''' is set to {menu Use custom settings for history} and '''Clear history when Firefox closes''' is checked, then click the {button Settings} button and make sure that '''Browsing & download history''' is '''not''' checked. #[[T:closeOptionsPreferences]] ===Recently closed tabs/windows are missing=== If Firefox didn’t offer to restore your session: *Go to {menu History} > {button Recently Closed Windows/Tabs}. Use {key Ctrl+Shift+T} (or {key Cmd+Shift+T} on macOS) to reopen the last closed tab. ===Tabs open to blank or home page=== This could be caused by: *A conflicting extension *A change during an update *Corrupt session data Try: *Disabling add-ons in '''Troubleshoot Mode''' *Resetting Firefox settings ([[Refresh Firefox - reset add-ons and settings|see this guide]]) =Related articles= *[[Recover lost or missing Bookmarks]] *[[Troubleshoot Firefox crashes (closing or quitting unexpectedly)]] *[[Refresh Firefox - reset add-ons and settings]]