Enter Title

Formula

100

 Ctrl + D

To fill the selected cell with the content of the cell right above

200

 Ctrl + R

To fill the selected cell with the content of the cell on the left

300

 Ctrl + Shift + +

Shift Row, Column or Cell to the right or down. 

400

ALT + E + S + F

Paste the copied data as 'Formulas'

500

Shift + F11

Create a new tab in excel.

Function

100

Find and Replace

 Ctrl + H

200

 To turn on Autosave

Alt +1

300

 To delete selected columns or rows

Ctrl + -

400

Create Pivot Table

Alt + N + V

500

Grouping Selected Columns / Rows

Alt + A + G + G