Insert Multiple Columns at once [Quick tip]

Insert Multiple Columns at once [Quick tip]:
Here is a quick tip to start your week.
Ever wanted to insert a few columns in between like this?

Here is how to do it.

1. Hold down control key.
2. Select one column at a time
3. Right click and choose Insert
4. Done!

Bonus tip: You can use this to insert rows too!
More Quick tips.