Ongoing list of Tips and Tricks by Operating System

Lock your computer before leaving your desk

This is something you should do EVERY time you leave your computer (this is good practice even at home; especially if you have kids or pets). 

Windows: Windows Key + L
Mac: Control-Command-Q

Paste from your clipboard history

Remember a few copies ago when you copied someone's name and you want to paste it again but you already copied something else? No worries, paste from the clipboard history.

Windows: Windows+Windows + V
Mac: