Ctrl + A - Select All
Ctrl + B - Bold
Ctrl + C - Copy
Ctrl + D - Fill
Ctrl + F - Find
Ctrl + G - Bold
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
F1 - Help
F2 - Edition
F3 - Paste the name
F4 - Repeat the last action
F4 - When entering a formula, switch between absolute / relative references
F5 - Goto
F6 - Next Pane
F7 - Spell Check
F8 - Extension of the mode
F9 - Recalculate all workbooks
F10 - Activate Menubar
F11 - New graph
F12 - Save As
Ctrl +: - Insert the current time
Ctrl +; - Insert the current date
Ctrl + "- Copy the value of the cell above
Ctrl + '- Copy the formula from the cell above