How to retrieve a closed tab in Firefox !

Now we have earlier posted about the various Keyboard Shortcuts in Firefox ! But here is a Short cut that is not even mentioned in the Firefox Site. Here is a lifesaver for you !

How many times it happens that you close a Tab in firefox by mistake and regret it !

Here is how you can get it back press:-

Ctrl + Shift + T

For Mac - Cmd + Shift + T

You can retrieve almost any number of Tabs in the order you closed them !