Disable / Delete / Clear / Turn Off Recently Closed Tabs In Firefox

Setting The Number Of Recently Visited Website Tabs In Mozilla Firefox

Mozilla Firefox users must be aware that of the fact that Firefox allows you to undo/ reopen the recently closed tabs. This feature in Firefox is an extended trait from its “session restore” attribute. This excellent feature turns out to be quite beneficial for restoring or reopening a tab if you happen to close it accidentally.

For restoring the last closed tab, you just need to right-click on the “tab bar” and choose the option “Undo Close Tab” from the context menu that appears. To reopen more recently closed tabs, you can go to the History menu and select the option “Recently Closed Tabs”. By default, Mozilla Firefox saves last ten recently closed tabs within its history on distinct user profiles.

If you feel that the number of recently closed tabs history is to less for your liking, or if you think that the number of recently closed tabs saved is too much in terms of privacy concern, you may change its value by making a simple change in Firefox preference.

To alter the value of maximum number of recently closed tabs that Mozilla Firefox should remember and restore or reopen when necessary, follow the below mentioned steps:

1. Type about:config in the Firefox Location Bar. A warning message will appear. Just confirm that you would be careful.
2. Search for the preference parameter name mentioned below:

browser.sessionstore.max_tabs_undo

3. Once you locate the preference name “browser.sessionstore.max_tabs_undo”, double-click on it. A window appears prompting you to enter the new integer value. Enter any integer as per your preference. The value is 10 by default.

For instance, if you do not want Firefox to remember last recently closed tabs so as to reopen or restore, enter “0” as the value for “browser.sessionstore.max_tabs_undo”.