Function Keys
F2 Edits the active cell, putting the cursor at the end
F3 Displays the (Insert > Name > Paste) dialog box
F4 Repeats the last worksheet action (Edit > Repeat)
F5 Displays the (Edit > GoTo) dialog box
F6 Moves to the next pane in a workbook (if the window is split)
F7 Displays the (Tools > Spelling) dialog box
F8 Toggles whether to extend a selection with the arrow keys
F9 Calculates All the worksheets in All the open workbooks
F10 Toggles the activation of the Menu Bar
F11 Displays the (Insert > Chart) dialog box that creates a chart (on a chart sheet) using the highlighted range
F12 Displays the (File > Save As) dialog box
Shift + Function Keys
Shift + F3 Displays the (Insert > Function) dialog box
Shift + F4 Repeats the last Find, the same as (Edit > Find Next)
Shift + F5 Displays the (Edit > Find) dialog box
Shift + F6 Moves to the previous pane in a workbook (if the window is split)
Shift + F8 Toggles between switching Add Mode on or off*
Shift + F9 Calculates just the active worksheet
Shift + F10 Displays the (Shortcut) menu for the selected item
Shift + F11 Inserts a new worksheet (before the active sheet) into the active workbook (Insert > Worksheet)
Shift + F12 Saves, Displays the (File > Save As) dialog box if a new workbook
Ctrl + Function
Ctrl + F2 Print Preview
Ctrl + F3 Displays the (Insert > Name > Define) dialog box
Ctrl + F4 Closes the selected workbook window
Ctrl + F5 Restores the size of the active workbook or window
Ctrl + F6 Moves to the next open workbook or window
Ctrl + F7 Activates the Move window command
Ctrl + F8 Activates the Resize window command
Ctrl + F9 Minimises the size of the active workbook or window
Ctrl + F10 Maximises the size of the active workbook or window
Ctrl + F12 Displays the (File > Open) dialog box