The only place this would occur in Word would be in AutoCorrect. Can you check to see whether you have AutoCorrect Entries for the state abbreviations involved?
Likely location: Word > Preferences > Proofing > AutoCorrect Options
Sorry, I do not have a Mac. Most features work the same in Windows and Mac but the interface has differences.
Last edited by Charles Kenyon; 05-17-2018 at 06:04 AM.
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