Forum response - restore session using recovery files

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If the Restore Previous Session is greyed out, there might be something wrong with the files that store your recovery sessions. If you've previously made a copy of the files, you can use them to restore your sessions.

Here's how:

  1. Open the profile folder.
  2. Close Firefox
  3. In your profile folder, give the following recovery files another name:
    • previous.js
    • recovery.bak
    • recovery.js.
  4. Put your backup recovery files into the Profile folder.
  5. Open Firefox.

To prevent this from happening again, change your Tab preferences and settings or use the Session Manager add-on to regularly back up your profile.

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