Restore previous session firefox not working. So if I had 5 tabs open, then close firefox, and reopen it, I'd get 5 new tabs. Open Firefox with some unimportant tabs and enable "Restore previous session" option. This includes information about open tabs, browsing history, cookies, and other data necessary for restoring previous sessions. jsonlz4 into profile folder Open Firefox, open History menu, and now recently closed windows should be accessible and your previous closed window should be there. jsonlz4: the windows and tabs in your last Firefox session upgrade. Jun 17, 2021 · Having used Firefox for a decade or more, I have relied on the Restore Previous Session option to open my Firefox and display the same tabs and screens as were displayed when Firefox was closed. If you're unable to restore your previous browser session in Firefox, this article will give you a step-by-step on how to fix this in your browser. After posting and closing Firefox, it created a sessionstore. Sep 27, 2025 · If the restore previous session feature is not working on your Firefox browser, this guide will take you through the steps to fix it. *Options/Preferences -> General -> Startup: "Restore previous session" In that case Firefox will restore the session automatically, so there is no need to restore the session manually. Nov 22, 2017 · I thought i shouldnt worry, because I did see an article last year about how to restore the firefox session that existed before the previous session, and there was something in that article about a sessionstore,js file and a . Is there some way to restore the previous previous session of 200 tabs of webpages? Note that it seems to me difficult to find out the previous previous 200 webpages' URLs from most recent history in Firefox. Mar 30, 2020 · You don't see "Restore Previous Session" when you have Firefox set to restore the previous session automatically. Luckily, there's profile-dir\sessionstore\, which includes the last session (not sure why only a single previous session). (According to the comments the file sessionstore. . Apr 1, 2018 · Now clicking History → Restore Previous Session only restore the single tab of webpage. Hot key; <Control> (Mac=<Command>) <Shift> A) In the Add-ons Manager, on the left, select Extensions. Luckily, Mozilla Firefox offers robust options for restoring your previous sessions. ) Firefox nightly upgrades a lot, so I have a very good chance to Jun 3, 2013 · Session Restore is a useful feature in Firefox that remembers certain information about your previous browsing session so that you can continue work right where you left off the last time. Firefox can restore your open tabs and windows from your last session—even after a crash or restart. jsonlz4 only exists when Firefox is not running, so you may try to stop it before trying those advices. Dec 21, 2024 · This post explains how to restore the previous browsing session in the Firefox and Chrome web browsers. The Tabs cannot be restored that way. If your session doesn’t restore as expected, this article includes troubleshooting tips for pinned tabs, private windows and update-related changes. Could you check whether either of these are available (not grayed out): "3-bar" menu button > Restore Previous Session (menu bar) History > Restore Previous Session If they are grayed, check either: "Library" toolbar button > History > Recently Closed Windows (and within each restored All too often Firefox loses my tabs (yep, it's really hard to remember open tabs). I copied the upgrade. bak file that needs to be renamed. Disable a few add-ons, then Restart Firefox. That no longer works. Jun 17, 2024 · Disregard. Fortunately, Firefox provides mechanisms to restore previous browsing sessions, minimizing data loss and allowing users to resume their work efficiently. Restoring from a backup file I have the restore session enable, but when I close firefox, I only get New Tabs instead of the web page I was on. After allowing Firefox to save your history, you can retrieve a previous session by reopening Firefox and selecting the menu button (three horizontal lines) at the top right. In this comprehensive guide, we’ll explore the various methods you can use to restore your previous session, troubleshoot common issues, and provide tips to help you keep your sessions safe and manageable in the future. Jan 11, 2025 · Your session is gone. Type about:addons <enter> in the address bar to open your Add-ons Manager. jsonlz4 in the root of the profile, so the other advices does not seem to work. Jun 17, 2021 · Make sure to use "Quit Firefox" with all windows still open, especially if you want to use "Restore Previous Session". jsonlz4- build_id: the windows and tabs in the Firefox session that was live at the time of your last update Could you take a look at what you have and the date/time of the various files to see whether you think any of them would have the missing tabs? Jan 12, 2025 · Power Outages: A sudden loss of power can lead you to need to restore your browsing session. How Firefox Stores Session Information Firefox saves session data in a file that exists in your profile folder. I opened another Firefox window and tried to "Restore Last Browsing Session" but the button was greyed out. Nov 11, 2024 · Check about:sessionrestore If a session is lost, hopefully the restore pages open automatically, but, if not, go to about:sessionrestore in the location bar. Disable All Of them. Aug 22, 2025 · To utilize the Firefox restore function, first, close the browser to remove any residual session data, then clear the cache. Upon starting Firefox, my old session was restored. Sep 7, 2017 · It could be the work of one of your add-ons. Aug 31, 2025 · This way, your browser can operate without the constraints imposed by the security software, allowing it to save and restore sessions more effectively without interruptions or issues. May 17, 2023 · Chosen solution Make sure to use "Quit Firefox" with all windows still open, especially if you want to use "Restore Previous Session". You can choose whether Firefox restores your session automatically when it starts or only when you request it. jsonlz4-20240606181944 and renamed it sessionstore. Aug 13, 2024 · I had 2 firefox browser windows open, I closed the main one, forgetting about the other one which was still open in the background. Nov 9, 2021 · Chosen solution On Mac closing Firefox can be more complicated because you can close all open windows, but keep Firefox running with the menu bar visible or minimized in the Doc. How can I report issues with session restoration in Firefox? Oct 25, 2023 · Close Firefox Move sessionstore-backups and empty sessionstore. If the problem continues Feb 7, 2018 · Hi RuthiB, usually Firefox will attempt an automatic crash recovery for a regular (non-private) session. Copy this file and navigate to the root directory of your Firefox profile, pasting the backup file there. I made a copy English is not my first language, so I'll try my best to describe reproduction steps to this problem. Mar 2, 2021 · Tired of losing all your tabs when you restart Firefox? Here's how to restore your session every time. jsonlz4 and moved it to the profile, overwriting the file. jsonlz4 out of profile folder Copy compressed sessionstore. jsonlz4. Your page should look similar to this: If this page is empty or the Restore Session is disabled, continue reading. Make sure to use "Quit Firefox" with all windows still open, especially if you want to use "Restore Previous Session". Jul 2, 2025 · Unexpected events, such as browser crashes, system failures, or even intentional but problematic extension behavior, can interrupt this session, leading to data loss and workflow disruption. jsonlz4 in my profile directory. You can see in the screenshot below that the option check box is ticked. Anyone know how to fix that? previous. Otherwise check "History -> Restore Previous Session" and "History -> Recently Closed Tabs/Windows". Some added toolbar and anti-virus add-ons are known to cause Firefox issues. Mar 6, 2025 · To restore your lost Firefox browsing session, begin by locating the session restore backup you wish to use, such as previous. Jul 13, 2020 · Recent Firefox version (version 96 this time, or at least the Linux one) doesn't have sessionstore. 3y60c1k 7z1vq ygjxv8 gf5yj r5wrso kkf3i 0mu4b tey 3ot9q f8tvfl8