How to: Turn AutoCorrect off.
Solution:
Use the 'AutoCorrect...' command under the 'Tools' menu, and clear the desired check boxes for any options to be turned off.
1) Select the 'Tools' menu and select 'AutoCorrect...'. (The AutoCorrect dialog box appears.)
2) Clear the 'Replace Text as You Type' check box.
Replace Text as You Type
3) Clear the check boxes for any other options to be turned off.
4) Click 'OK'.