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With version 4 when I close and reopen later how do I keep the tabs that I created. This is a problem that was not in version 3

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I created my tabs after downloading version 4 and when I closed and reopened I had to recreate the tabs. There was no button to restore previous session.

I created my tabs after downloading version 4 and when I closed and reopened I had to recreate the tabs. There was no button to restore previous session.

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Firefox 4 saves the previous session automatically, so there is no longer need for the dialog asking if you want to save the current session.
You can use "Firefox > History > Restore Previous Session" to get the previous session.
There is also a "Restore Previous Session" button on the default about:home Home page.

Another possibility is to use:

  • Tools > Options > General > Startup: "When Firefox Starts": "Show my windows and tabs from last time"

App tabs and Tab Groups (Panorama) are stored as part of the session data in the file sessionstore.js in the Firefox Profile Folder

Make sure that you do not use Delete browsing, search and download history on Firefox to clear the "Browsing History" if Firefox is closed because that prevails and prevents Firefox from opening tabs from the previous session.

If you use CCleaner then make sure that Session is unchecked in the settings for the Firefox application.

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THIS solution helped! THANKS!

Another possibility is to use:

   Tools > Options > General > Startup: "When Firefox Starts": "Show my windows and tabs from last time"