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This post will help you to disable or remove the tab detaching or tab tearing feature in the Mozilla Firefox web browser, which allows users to drag and drop a tab from the tab bar into a new Firefox window.
If you have more than one tab in Firefox, you can click and hold a tab, then drag and drop the tab anywhere on the screen to immediately move it to a new Firefox window. This allows users to separate a particular tab from the other tabs that are running.
When this feature was first introduced, it was common for you to accidentally create a new window after activating a tab in the browser. This happened when you released the mouse button after moving it around a bit.
Mozilla has since changed this behaviour and corrected it for the majority of users who complained about this feature at the time. However, it is still too sensitive for some Firefox users, so it can happen that new windows are opened when dragging and dropping tabs if not intended.
Disable Tab Detaching or Tab Tearing in Firefox
The tab ripping feature, which allows you to drag and drop a tab into a new window, can now be disabled in Firefox 74 if you find it annoying or inconvenient.
- visit about:config
- in the search field, type “detach” without the quotes; for highlighted results, set the default value browser.tabs.allowTabDetach to false.
If you are using Firefox 72, you can install the “Disable Tab Detach” extension, which may be redundant if Mozilla Firefox 74 comes with the above option about: config, which, when enabled, blocks the tearing or deletion of tabs.
That’s it, that’s all. It immediately disables the rip or undo tabs function in Firefox. Now try dragging a tab with drag and drop, and Firefox will not move it to a new window.
If you decide to enable or restore tab ripping in the future, reset the value of the above setting to true.
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CCNA, Web Developer, PC Troubleshooter
I am a computer enthusiast and a practicing IT Professional. I have years of experience behind me in computer programming, hardware troubleshooting and repair. I specialise in Web Development and Database Design. I also have a CCNA certification for Network Design and Troubleshooting.