Save Your time with Keyboard Shortcuts Key : Ctrl + +....

Ctrl + A - Select All
Ctrl + B - Bold
Ctrl + C - Copy
Ctrl + D - Fill
Ctrl + F - Find
Ctrl + G - Find next instance of text
Ctrl + H - Replace
Ctrl + I - Italic
Ctrl + K - Insert a hyperlink
Ctrl + N - New workbook    
Ctrl + O - Open
Ctrl + P - Print
Ctrl + R - Nothing right
Ctrl + S - Save
Ctrl + U - Underlined
Ctrl + V - Paste
Ctrl + W - Close
Ctrl + X - Cut
Ctrl + Y - Repeat
Ctrl + Z - Cancel