preventing duplicate emails in office 365

Switches in the native Office 365 PST network import tool: I know this doesn't remove duplicates, but in case the above fails, you can restore a PST to a subfolder of your choosing using the ' TargetRootFolder' option.

Import using Outlook: You can use Outlook import filters to detect and stop duplicates from being imported to the mailbox. Those are usually paid for and will cost you, I'm listing this in case you have a large number of users who needs their data imported. Use a third party tool to import PST: this will have the option to stop duplicates from being imported into the mailbox. In this case, we recommend using additional software such as Deduper for Outlook to make sure your inbox is again as it once were.The native Office 365 PST network import tool will not give you any tools to filter/remove duplicates: While most likely you get to solve the mystery of receiving duplicate emails, this does not help with the mess it leaves. SOLUTION: uncheck it on Account Settings > More Settings > Advanced > 'Leave a copy of the messages on the server'.

PROBLEM: your server settings are configured to leave emails that get downloaded from the server - therefore you are downloading emails again and again.

And while you are reviewing your email accounts, skip to possible problem number 4: SOLUTION: review all your email accounts to verify that they are added only once.

PROBLEM: an email account is added twice.

If it does, you have a bad rule in your Outlook. SOLUTION: again, the problem lies in rules - the best course of action is to disable all rules and check if this helps to solve the problem.

PROBLEM: email forwarding creates duplicates.

If unsure, disable all rules and enable one by one to filter the one you need. SOLUTION: review all your Outlook rules to find the offending one.

PROBLEM: email rules create duplicates.

In this post, we explain 4 most common reasons why your Outlook is receiving duplicate emails: Fortunately, the solution to this problem sometimes can be really easy.

First, make sure that the disclaimer-adding transport rule is executed before the CodeTwo transport rule (it needs.

In EAC, use the menu on the left to navigate to Mail flow > Rules. If you are using Outlook for some time, sooner or later you will get duplicate emails. Open Microsoft 365 admin center (Office 365 admin center) and go to Admin centers > Exchange to open Exchange admin center.

Preventing duplicate emails in office 365