A university website has posted a few keyboard shortcuts that can help anyone save their time and the techniques applies to most softwares.

The first one is selecting text using two or three keys on the keyboard. The second and third shortcuts which are switching windows/programs and tabbing and reverse tabbing through forms one uses the tab keys. The last one is Undo and Redo which can be made by pressing ctrl-z and ctrl-y respectively.

For complete details including which situations are these shortcuts most effective to use, visit the source link.

Source: Synapse