When shopping for software, ensure it includes:
Alternatively, some free community-created add-ins (often found on tech forums) exist. However, these are rarely updated and may not be compatible with the latest versions of Outlook 365 or Outlook 2021. outlook duplicate remover
For professionals or anyone with thousands of emails, a dedicated tool is the safest and most efficient solution. These tools scan your folders, compare items byte-by-byte, and mass-delete duplicates while preserving your original data. When shopping for software
