You need to be DTP expert to become expert in using Microsoft Word keyboard shortcuts. Under listed are very good useful word keyboard shortcuts. Hope this will be of great help for you.
All Caps —-> CTRL+SHIFT+A
Annotation —-> ALT+CTRL+M
App Maximize —-> ALT+F10
App Restore —-> ALT+F5
Apply Heading1 —-> ALT+CTRL+1
Apply Heading2 —-> ALT+CTRL+2
Apply Heading3 —-> ALT+CTRL+3
Apply List Bullet —-> CTRL+SHIFT+L
Auto Format —-> ALT+CTRL+K
Auto Text —-> F3 or ALT+CTRL+V
Bold —-> CTRL+B or CTRL+SHIFT+B
Bookmark —-> CTRL+SHIFT+F5
Browse Next —-> CTRL+PAGE DOWN
Browse Previous —-> CTRL+PAGE UP
Browse Selection —-> ALT+CTRL+HOME
Cancel —-> ESC
Center Para —-> CTRL+E
Change Case —-> SHIFT+F3
Char Left —-> LEFT
Char Left Extend —-> SHIFT+LEFT
Char Right —-> RIGHT
Char Right Extend —-> SHIFT+RIGHT
Clear —-> DELETE
Close or Exit —-> ALT+F4
Close Pane —-> ALT+SHIFT+C
Column Break —-> CTRL+SHIFT+ENTER
Column Select —-> CTRL+SHIFT+F8
Copy —-> CTRL+C or CTRL+INSERT
Copy Format —-> CTRL+SHIFT+C
Copy Text —-> SHIFT+F2
Create Auto Text —-> ALT+F3
Customize Add Menu —-> ALT+CTRL+=
Customize Keyboard —-> ALT+CTRL+NUM +
Customize Remove Menu —-> ALT+CTRL+-
Cut —-> CTRL+X
Date Field —-> ALT+SHIFT+D
Delete Back Word —-> CTRL+BACKSPACE
Delete Word —-> CTRL+DELETE
Dictionary —-> ALT+SHIFT+F7
Do Field Click —-> ALT+SHIFT+F9
Doc Close —-> CTRL+W or CTRL+F4
Doc Maximize —-> CTRL+F10
Doc Move —-> CTRL+F7
Doc Restore —-> CTRL+F5
Doc Size —-> CTRL+F8
Doc Split —-> ALT+CTRL+S
Double Underline —-> CTRL+SHIFT+D
End of Column —-> ALT+PAGE DOWN
End of Column —-> ALT+SHIFT+PAGE DOWN
End of Doc Extend —-> CTRL+SHIFT+END
End of Document —-> CTRL+END
End of Line —-> END
End of Line Extend —-> SHIFT+END
End of Row —-> ALT+END
End of Row —-> ALT+SHIFT+END
End of Window —-> ALT+CTRL+PAGE DOWN
End of Window Extend —-> ALT+CTRL+SHIFT+PAGE DOWN
Endnote Now —-> ALT+CTRL+D
Extend Selection —-> F8
Field Chars —-> CTRL+F9
Field Codes —-> ALT+F9
Find —-> CTRL+F
Font —-> CTRL+D or CTRL+SHIFT+F
Font Size Select —-> CTRL+SHIFT+P
Footnote Now —-> ALT+CTRL+F
Go Back —-> SHIFT+F5 or ALT+CTRL+Z
Go To —-> CTRL+G or F5
Grow Font —-> CTRL+SHIFT+.
Grow Font One Point —-> CTRL+]
Hanging Indent —-> CTRL+T
Header Footer Link —-> ALT+SHIFT+R
Help —-> F1
Hidden —-> CTRL+SHIFT+H
Hyperlink —-> CTRL+K
Indent —-> CTRL+M
Italic —-> CTRL+I or CTRL+SHIFT+I
Justify Para —-> CTRL+J
Left Para —-> CTRL+L
Line Down —-> DOWN
Line Down Extend —-> SHIFT+DOWN
Line Up Extend —-> SHIFT+UP
List Num Field —-> ALT+CTRL+L
Lock Fields —-> CTRL+3 or CTRL+F11
Macro —-> ALT+F8
Mail Merge Check —-> ALT+SHIFT+K
Mail Merge Edit Data Source —-> ALT+SHIFT+E
Mail Merge to Doc —-> ALT+SHIFT+N
Mail Merge to Printer —-> ALT+SHIFT+M
Mark Citation —-> ALT+SHIFT+I
Mark Index Entry —-> ALT+SHIFT+X
Mark Table of Contents Entry —-> ALT+SHIFT+O
Menu Mode —-> F10
Merge Field —-> ALT+SHIFT+F
Microsoft Script Editor —-> ALT+SHIFT+F11
Microsoft System Info —-> ALT+CTRL+F1
Move Text —-> F2
New —-> CTRL+N
Next Cell —-> TAB
Next Field —-> F11 or ALT+F1
Next Misspelling —-> ALT+F7
Next Object —-> ALT+DOWN
Next Window —-> CTRL+F6 or ALT+F6
Normal —-> ALT+CTRL+N
Normal Style —-> CTRL+SHIFT+N or ALT+SHIFT+CLEAR (NUM 5)
Open —-> CTRL+O or CTRL+F12 or ALT+CTRL+F2
Open or Close Up Para —-> CTRL+0
Other Pane —-> F6 or SHIFT+F6
Outline —-> ALT+CTRL+O
Outline Collapse —-> ALT+SHIFT+- or ALT+SHIFT+NUM –
Outline Demote —-> ALT+SHIFT+RIGHT
Outline Expand —-> ALT+SHIFT+=
Outline Expand —-> ALT+SHIFT+NUM +
Outline Move Down —-> ALT+SHIFT+DOWN
Outline Move Up —-> ALT+SHIFT+UP
Outline Promote —-> ALT+SHIFT+LEFT
Outline Show First Line —-> ALT+SHIFT+L
Overtype —-> INSERT
Page —-> ALT+CTRL+P
Page Break —-> CTRL+ENTER
Page Down —-> PAGE DOWN
Page Down Extend —-> SHIFT+PAGE DOWN
Page Field —-> ALT+SHIFT+P
Page Up —-> PAGE UP
Page Up Extend —-> SHIFT+PAGE UP
Para Down —-> CTRL+DOWN
Para Down Extend —-> CTRL+SHIFT+DOWN
Para Up —-> CTRL+UP
Para Up Extend —-> CTRL+SHIFT+UP
Paste —-> CTRL+V or SHIFT+INSERT
Paste Format —-> CTRL+SHIFT+V
Prev Cell —-> SHIFT+TAB
Prev Field —-> SHIFT+F11 or ALT+SHIFT+F1
Prev Object —-> ALT+UP
Prev Window —-> CTRL+SHIFT+F6 or ALT+SHIFT+F6
Print —-> CTRL+P or CTRL+SHIFT+F12
Print Preview —-> CTRL+F2 or ALT+CTRL+I
Proofing —-> F7
Redo —-> ALT+SHIFT+BACKSPACE
Redo or Repeat —-> CTRL+Y or F4 or ALT+ENTER
Repeat Find —-> SHIFT+F4 or ALT+CTRL+Y
Replace —-> CTRL+H
Reset Char —-> CTRL+SPACE or CTRL+SHIFT+Z
Reset Para —-> CTRL+Q
Revision Marks Toggle —-> CTRL+SHIFT+E
Right Para —-> CTRL+R
Save —-> CTRL+S or SHIFT+F12 or ALT+SHIFT+F2
Save As —-> F12
Select All —-> CTRL+A or CTRL+CLEAR (NUM 5) or CTRL+NUM 5
Select Table —-> ALT+CLEAR (NUM 5)
Show All —-> CTRL+SHIFT+8
Show All Headings —-> ALT+SHIFT+A
Show Heading1 —-> ALT+SHIFT+1
Show Heading2 —-> ALT+SHIFT+2
Show Heading3 —-> ALT+SHIFT+3
Show Heading4 —-> ALT+SHIFT+4
Show Heading5 —-> ALT+SHIFT+5
Show Heading6 —-> ALT+SHIFT+6
Show Heading7 —-> ALT+SHIFT+7
Show Heading8 —-> ALT+SHIFT+8
Show Heading9 —-> ALT+SHIFT+9
Shrink Font —-> CTRL+SHIFT+,
Shrink Font One Point —-> CTRL+[
Small Caps —-> CTRL+SHIFT+K
Space Para1 —-> CTRL+1
Space Para15 —-> CTRL+5
Space Para2 —-> CTRL+2
Spike —-> CTRL+SHIFT+F3 or CTRL+F3
Start of Column —-> ALT+PAGE UP
Start of Column —-> ALT+SHIFT+PAGE UP
Start of Doc Extend —-> CTRL+SHIFT+HOME
Start of Document —-> CTRL+HOME
Start of Line —-> HOME
Start of Line Extend —-> SHIFT+HOME
Start of Row —-> ALT+HOME
Start of Row —-> ALT+SHIFT+HOME
Start of Window —-> ALT+CTRL+PAGE UP
Start of Window Extend —-> ALT+CTRL+SHIFT+PAGE UP
Style —-> CTRL+SHIFT+S
Subscript —-> CTRL+=
Superscript —-> CTRL+SHIFT+=
Symbol Font —-> CTRL+SHIFT+Q
Thesaurus —-> SHIFT+F7
Time Field —-> ALT+SHIFT+T
Toggle Field Display —-> SHIFT+F9
Toggle Master Subdocs —-> CTRL+\
Tool —-> SHIFT+F1
Un Hang —-> CTRL+SHIFT+T
Un Indent —-> CTRL+SHIFT+M
Underline —-> CTRL+U or CTRL+SHIFT+U
Undo —-> CTRL+Z or ALT+BACKSPACE
Unlink Fields —-> CTRL+6 or CTRL+SHIFT+F9
Unlock Fields —-> CTRL+4 or CTRL+SHIFT+F11
Update Auto Format —-> ALT+CTRL+U
Update Fields —-> F9 or ALT+SHIFT+U
Update Source —-> CTRL+SHIFT+F7
VBCode —-> ALT+F11
Web Go Back —-> ALT+LEFT
Web Go Forward —-> ALT+RIGHT
Word Left —-> CTRL+LEFT
Word Left Extend —-> CTRL+SHIFT+LEFT
Word Right —-> CTRL+RIGHT
Word Right Extend —-> CTRL+SHIFT+RIGHT
Word Underline —-> CTRL+SHIFT+W
