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                      Go to File > Options > Proofing and select AutoCorrect Options. 
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                      On the AutoCorrect tab, select or clear Replace text as you type. 
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                      On the Word menu, select Preferences, and then AutoCorrect. 
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                      Select or clear Replace text as you type. 
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                      Go to Review and select the arrow below Editor. 
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                      Select AutoCorrect Options... and then select or clear Replace text as you type 
Word for the web currently has a slightly more limited set of AutoCorrect Options than Word on the desktop does.
 
                         
				 
				