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This article explains how to configure your tab settings so that Firefox warns you before you close a window or quitexit the browser when multiple tabs are open, in Firefox version 94 and above.
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Close tab warnings
Firefox can be set to warn you when you’re about to close a window or quitexit Firefox, when multiple tabs are open. You will then have to click a button to confirm your action.
There are a few different ways to close a Firefox window or quitexit the browser. Starting in Firefox version 94, Firefox no longer warns you by default when you quitexit the browser or close a window using a menu, button, or three-key command. The close actions in these particular contexts were likely intentional and so the messages provided unnecessary and perhaps unwelcome interruption.
The only instance in which a close warning is on by default is for two-key quit shortcuts on macOS and Linux. The risk of accidental closure is higher in this context since the quit shortcut (⌘+Q) is adjacent to the switch-application shortcut (⌘+Tab).
Despite these changes to the default action, you will still have full control over the quitexit/close modal behavior. All warnings can be managed within Firefox Settings .
How do I enable or disable Close tab warnings?
- In the Menu bar at the top of the screen, click and then select or , depending on your macOS version.Click the menu button and select .
- In the Tabs section of the panel, check the box next to Confirm before closing multiple tabs to enable the warnings, and uncheck it to disable them.
- In the Menu bar at the top of the screen, click and then select or , depending on your macOS version.Click the menu button and select .
- In the Tabs section of the panel, check the box next to Confirm before closing multiple tabs to enable the warnings, and uncheck it to disable them.
- In the Menu bar at the top of the screen, click and then select or , depending on your macOS version.Click the menu button and select .
- In the Tabs section of the panel, check the box next to Confirm before closing multiple tabs to enable the warnings, and uncheck it to disable them.
I lost my tabs after the update — What can I do?
You may notice that after updating Firefox to version 94, the tabs from your previous session were closed. To learn how to restore a previous session, visit How do I restore my tabs from last time? Alternatively, following the prompts in the Open previous tabs? one-time notification that will appear after the update will also allow you to restore the tabs from your previous session.
