That’s it! Now your closed tab history can be as big as you set it to be. See the value 50 ? Change it to anything you want. If you think you need more, here’s how you can change that as well.Įnter the following in the Filter box: _entries Firefox max closed tabs history count You can set value as any number you want, however Firefox has another setting that makes it max out at 50. Firefox recently closed tabs history count For example, to keep history of 20 tabs, enter 20 as value. To modify it, double-click on the preference and enter in a new value. Next paste the following into the Filter box: _tabs_undo If it’s the first time you are accessing this page, click the “I’ll be careful, I promise!” button to continue. Open Firefox configuration page by typing in about:config into the address bar. So here’s how you can increase the tab count. If you keep opening links in new tabs, then 10 tabs in your history won’t be enough to fully recover should an accident happen. By default Firefox keeps track of your 10 most recently closed tabs. However, for the first case, some people find the close gone even after re-open the app. For the latter case, sticky notes will return once the app is re-opened.

This comes in handy when you accidentally close tabs or if your browser crashed. Users can click the close buttons on the right corner of every sticky note, or right-click on Sticky Notes app on task bar and choose Close window. Choose the most relevant backup from File History and then click Open in File History to preview the contents. Firefox has a feature which lets you restore recently closed tabs. Method 2: In Windows Explorer, right-click on the drive or folder in which the lost PDF file was located and select Restore Previous Versions from the pop-up menu.

How to restore closed window