There may be an add-on causing this problem...
Try starting Outlook in Safe Mode and let me know if it detects duplicates.
There are two main ways to start in Safe Mode:
Let me know if it works...
Does your wife's Outlook detect duplicates?
Thanks for your reply!
Are you able to let me know if your Outlook account can detect duplicates, or should I wait for Mark?
Hello. My name is ***** ***** I will be assisting you today. Can I remotely connect to your computer, so I can troubleshoot this issue with you?
Do you need help with this still?