Don't Close Window With Last Tab – Last Tab Safety

Removed from the store crawl · Nov 5, 2026, 1:35 PM. Metrics and description are kept from the last indexed snapshot.

UmbrellaExt

Never lose your work with Don't Close Window With Last Tab! This essential extension prevents accidental window closure when your final tab is closed. Enjoy robust protection with features like Last Tab Protection, Window Close Prevention, and Last Tab Window Lock. Stay productive and secure with uninterrupted browsing!

Screenshots from Edge Add-ons