Do one of the following:
Note Right after you click the Delete button, the entry still shows in the Replace box, but it is deleted from the Replace list.
Tip
You can also delete an AutoCorrect entry using the menu displayed by the AutoCorrect
Options button , which
appears when you rest the mouse pointer near text that was just
corrected. On the menu, click Stop Automatically Correcting for the type of automatic correction that you don't want
anymore. This
deletes the entry in the AutoCorrect dialog box.