Remove Duplicate Outlook Jun 2026

This only removes older messages that are fully quoted in a newer reply. It won't catch identical, separately received emails.

Outlook does have a built-in "Remove Duplicate Emails" button. However, you have two powerful options. remove duplicate outlook

A dialog box will appear asking how you want to handle duplicates (e.g., keep the most recently modified version). Choose your option and click . Outlook will scan and merge or delete duplicates based on your choice. This only removes older messages that are fully