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All Excel Keyboard Shortcuts Part-1

F1 Displays the Office Assistant or (Help > Microsoft Excel Help)
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 + F2 Inserts or edits a cell comment (Insert > Comment)
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

to be continue

All Excel Keyboard Shortcuts Part-2 

All Excel Keyboard Shortcuts Part-3