Find All the Acronyms in Word Documents

1. In Word, Open the Find window (Ctrl + F)
2. Click More and then check the box labeled Use Wildcards
3. In the Find What field, enter this phrase: <[A-Z]{2,}>
4. Click Reading Highlight, and then click Highlight All.

Src: https://www.cbsnews.com/news/easily-find-all-the-acronyms-in-your-word-documents/