Firefox has a feature that lets you reopen open tabs from your previous session:
Here's how to do this:
- Click on the menu button The image "new fx menu" does not exist. on the right.
- Click History.
- Click on the website you want to reopen from the Recent Closed Tabs section, or click Restore Previous Session to open all your previous tabs.
You can also change Firefox's settings to open your previous session each time you launch Firefox by following these instructions: Restore previous session - Configure when Firefox shows your most recent tabs and windows