Shortcuts Keys in MS-Excel :
Ctrl-C : Copy
Ctrl V : Paste
Ctrl X : Cut
Ctrl F : Search
Ctrl B : Bold
Ctrl I : Italic
Ctrl U : Underline
Ctrl 5 : Strikethrough
Ctrl A : Select All
Ctrl Z : Undo
Ctrl Y : Redo
Explore some more once these are done using !!