The following keyboard shortcuts work in Word and the ones marked * work in other MS Office applications and usually across web pages as well.

CTRL key		Hold down the CTRL key and tap the other key once:
*	CTRL-A	SELECT ALL text etc in a document
*	CTRL-B	Toggles BOLD text on-off
*	CTRL-C	COPIES selected text etc
	CTRL-D	Starts FONT FORMAT routine
	CTRL-E	Moves text to CENTRE ALIGNED position
*	CTRL-F	Starts the FIND search routine for current page
	CTRL-G	Starts a GO TO routine
*	CTRL-H	Starts the FIND AND REPLACE routine for the current page
*	CTRL-I	Toggles ITALICS text on-off
	CTRL-J
	CTRL-K	Starts the INSERT HYPERLINK routine
	CTRL-L	Moves text to LEFT ALIGNED position
	CTRL-M	Moves text to next TAB MARKER position
*	CTRL-N	Starts a NEW document
*	CTRL-O	Starts OPEN DOCUMENT routine
*	CTRL-P	Starts the PRINT routine
	CTRL-Q
	CTRL-R	Moves text to RIGHT ALIGNED position
*	CTRL-S	Starts SAVE routine
	CTRL-T	Steps TAB MARKER across a Word document
*	CTRL-U	Toggles UNDERLINE text on-off
*	CTRL-V	PASTES copied text
	CTRL-W	CLOSES your current window (prompts for saving if changes made)
*	CTRL-X	DELETES selected text
	CTRL-Y	REDOES last UNDO
*	CTRL-Z	UNDOES last change made

You will find many more in the Help files attached to all applications - look for keyboard shortcuts.

Some use SHIFT, CTRL and ALT in various combinations. They become second nature if you use them frequently.

Keyboard shortcuts - Miscellaneous

The following keyboard shortcuts work in many applications:

ALT key	Hold down the ALT key and tap the other key once:
	ALT with an alphabet letter links to the menu hyperlinks at the top of any screen - an underlined letter responds to ALT use as if you had clicked the hyperlink. Within subsequent drop-down menus, you simply type the underlined letter to activate the hyperlink.
ALT <	Same as BACK button on a web page or in a table
ALT >	Same as FORWARD button on a web page or in a table
ALT-F4	Closes current live window - could be a web browser window or an open Office document. At the desktop it will begin the Windows Shutdown routine.
Function Keys
F1	Starts the Help routine for your application
F5	Starts the FIND AND REPLACE search routine for current page
F7	Starts the spelling and grammar check
F12	Starts the Save As . . . routine