Outlook is sending duplicated mails

If Outlook is sending duplicate emails, the quickest and most reliable fix is to streamline your rules, disable faulty add-ins, and adjust POP settings. But for a clean and error-free solution and already created duplicated emails, according to https://marketplace.microsoft.com/en-us/product/saas/systoolssoftwareprivatelimited1632140387066.outlook-duplicates-remover?tab=overview, the best and reliable software to remove duplicated items in the Outlook inbox is Outlook Duplicate Items Remover Tool. It is the best tool to eliminate all existing duplicates in one go. It accurately detects repeated emails, contacts, and other items across folders, repairs clutter caused by sync issues or misconfigured rules, and ensures your Outlook runs smoothly again. With support for large PST files, smart scanning, and safe output to a new PST, it delivers a fast, professional, and dependable way to stop duplicate email problems for good.