Firefox Session Restore File

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Did your Firefox tabs disappear? Good news: we can most likely get them back. We tested these recovery methods recently, so you can rest assured they’re up to date. Once your heart rate is back to normal, we’ll also show you the easiest and most secure way to save your Firefox tabs so this doesn’t happen again — add Workona to Firefox and let it automatically save your tabs.

Let us proceed to Firefox. Automatically Restore Last Session: Firefox. Open Firefox browser on your computer. Click on Menu(Hamburger icon) at the top right corner and select Options. Under Startup, click on the combo box next to When Firefox starts and select Show my windows and tabs from last time. I normally run around 1000 tabs and would have a heart attack if I wasn't able to restore my session. TSM stores off my session information every 15 minutes in separate files so even if Firefox got corrupted to any degree, I can clean that up and restore my information as needed. Also, I am really wondering why your recovery files are so big. Open index.dat file within the reader Click on the Firefox browsing history you want to restore Click 'Restore'. Then you can open your Firefox browser to check all your restored history now. Extra Tip: How to Recover Deleted/Lost Firefox Backup files. Usually, Firefox browsing history files are stored in a specific path on your computer.


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The simplest way to restore tabs in Firefox (what to do if your Firefox tabs disappeared)

Click the Library menu in the top-right of Firefox > History > Recently Closed Tabs or Recently Closed Windows.

If that doesn't work, try this instead:

Click Open menu in Firefox (top-right menu) and select Library > History > Recently Closed Tabs or Recently Closed Windows.

If neither of those options work and you still need to restore your Firefox tabs:


Use this volunteer-created session history recovery tool at your own risk. You’ll grab your session history files from your Firefox profile, input them into the recovery tool, and export the URLs. Here’s how:

  1. Click Open menu in Firefox (top-right menu) and select ? > Troubleshooting Information.
  2. Type or paste about:support in the address bar and press Enter.
  3. In your profile folder, double-click into the sessionstore-backups folder. Save all files here to a safe location, such as Documents or Desktop (you can go back and delete these once you’ve recovered your tabs).
  4. Look for files with a .jsonlz4 or .baklz4 file extension. Upload those files to Session History Scrounger and follow the directions.

Use Workona to save and manage Firefox tabs

If you’ve lost your tabs, we suggest using Workona for one simple reason: it saves your tabs automatically. Other methods require you to click a button to save your tabs. Yes, it’s just one button—but if you forget, you could lose days or weeks of work, depending on how long you’ve had your tabs open.

Workona also allows you to organize your tabs into separate groups, called workspaces. This means you can stay organized while you work on all sorts of different projects.

Other methods for saving tabs in Firefox

You can use Firefox bookmarks to save tabs. Warning — this method is pretty clunky and requires you to manually save your tabs anytime you make a change. Here’s how:

Firefox Restore Previous Session File

Select Bookmark all tabs from the Bookmarks menu at the top of your browser. To bookmark tabs individually, use the keyboard shortcut Cmd + D (Mac) or Ctrl + D (Windows), or you can click the star icon in the Firefox address bar.

Firefox Session Restore File

If you’re constantly closing your tabs by accident, be sure you keep this dialog checked (you’ll see it when you try to close Firefox with tabs open).


Firefox Previous Session

If you don’t see this warning when you close Firefox, here’s how you can turn it on:

  1. Click Open menu in Firefox (top-right menu).
  2. Click Preferences.
  3. Under General > Startup, check the box labeled Warn you when quitting the browser. You may also want to check Restore previous session.

Firefox Not Restoring Previous Session

Did we miss a step that will help someone restore Firefox tabs? Let us know.