![firefox open last session firefox open last session](https://user-media-prod-cdn.itsre-sumo.mozilla.net/uploads/images/2019-04-27-13-33-49-bc534a.png)
If they are grayed, check either: Library toolbar button > History > Recently Closed Windows (. ability to restore tabs (hidden browser windows) from a users last session.
#Firefox open last session install
When Firefox is going to ask you to install the latest update, it may require a restart.
#Firefox open last session update
![firefox open last session firefox open last session](https://techviral.net/wp-content/uploads/2021/07/Edge-startup-3.jpg)
To restore your previous session, select the windows or tabs you want to restore and click Restore Session.
![firefox open last session firefox open last session](https://pbs.twimg.com/media/Dh5paaKXUAUFjzD.jpg)
If Firefox crashes a second time, the Restore Session page will appear when you next launch Firefox. Reasons why you want to restore last sessions in Firefox: Pop a video out of the browser window so you can stream and multitask. Firefox session restore feature automatically restores a users open tabs after an application crash, or from a previous browsing session when they start Firefox. Firefox will automatically restore your previous session, the first time you launch it after a crash. Answer (1 of 5): If you’re a Mac user, select the Firefox directory in code /Library/Application Support/Firefox/code and restore from your Time Machine (depending on your Time Machine schedule, this could be from within the last x amount of minutes. If you are new to Mozilla Firefox and wanted to learn how you can restore previously opened tabs, then stick with this guide till the end. But, let’s talk about why do you need to restore previously opened tabs? There could be many reasons for that. To restore previously opened tabs in Mozilla Firefox, all you have to do is follow the simple steps given in this guide.