-
In classic Outlook for Windows, on the File menu, select Options.
-
Select Mail > Spelling and Autocorrect. Go to Proofing > Custom Dictionaries.
-
Choose a custom dictionary, and select Edit Word List.
-
To add a word, type it under Word(s) and select Add.
Tip: To correct a misspelled word, add the correctly spelled word, choose the incorrect word and select Delete.
