This email replication has just started today. I am using a POP3 account and there are no duplicate or triplicate emails when I am using the web-mail. I keep getting the same message 2-3 times.

'Outlook 2019 has updated its features today and since then I have been receiving same emails multiple times. Let us discuss in detail about the problems faced by the users due to this Office 365 email replication. There are various forums flooded with such user queries. The most frequent issues faced by OWA/Outlook users is that they keep receiving duplicate or even triplicate emails, also their contacts & calendar entries get replicated. Office 365 mailbox can also be accessed through the platform-dependent application which is Outlook, that can be accessed in MAC, Window, iOS. OWA is a web based service which is primarily used for sending & receiving emails. The most commonly used application in Office 365 suite is OWA (Outlook Web Access). The subscribers of Office 365 suite get many user-friendly as well as business friendly tools that help in team building and business collaboration. MS O365 provides tools & services that help the users to access their documents, emails or collaborate from anywhere in the world.

Office 365 is a cloud-based application suite that is provided by Microsoft. Recommended: Backup Office 365 mailbox to PST before deleting duplicate O365 items INTRODUCTION In this blog, we will be discussing various issues where users face problems with email replication, why the users should delete duplicate emails in Office 365 and the methods to remove the emails using manual approach. Delete Duplicate Emails in Office 365 - Remove Items' Replication

Stop duplicate emails in outlook