Oops you’ve shut down a tab accidentally in your browser, what now? We show you how to get it back. If you’re like me and keep 10+ tabs open on your internet browser at once, it can be more than a little annoying when you accidentally close a tab without meaning to — or, even worse, when you close all of them at once. My ears pricked up when I heard about this hack, which lets you recover one or of all your previously opened browser tabs without having to dig through your web history.