Ctrl + ; – Puts the current date into the active cell; does not update automatically.

Ctrl + Shift + ; – Puts the current time into the active cell; does not update automatically.

Ctrl + A – Selects all the cells in the worksheet.

Ctrl + Page Up – Makes the previous sheet in the workbook the active worksheet.

Ctrl + Page Down – Makes the next sheet in the workbook the active worksheet.

F2 – Lets you edit the cell without double-clicking on it.

F11 – Creates a chart on a separate sheet from the selected data.