
Hi @Lora K,
Go to File >> Options >> Proofing >> check "Flag repeated words" >> Click OK to save.
To find repeated words in PowerPoint, you need to search for red underlined words.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.