Toggle between email (1) and calendar (2)
Ctrl +1/ Ctrl + 2
New Meeting
Ctrl + Shift + Q
Open New Email from any view
Ctrl + Shift + M
Auto Sum in Excel
Alt + =
Insert/Delete rows
Ctrl + Shift + +/-
Toggles between formulas and values (Excel)
Ctrl - ~
Move between worksheets (Excel)
Ctrl - Page Up/Down
Editing Cells
F2