Duplication of Sent emails

trevorfromdartington Said:

"Duplication of Sent emails: Sent emails (using Outlook.com) are duplicated in the Sent Box on my Mac, iPad and iPhone. How can I stop this, please?"

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Contact Microsoft Support:

They are the developer’s of the Outlook.

Start Here, and see what they have to say: Microsoft Contact Us Virtual Agent - Microsoft Support

In regards to what peter_watt said, if it gets solved, please reply back. I'm sure it would help many out there.

I have been trying for years!.

You used to be able to set it in Mac Mail to not store sent items on the server but

1 that setting seems to have gone now

2 it is not a good idea as you cannot access sent items on other devices or recover them

Just accept outlook.com is flawed is my advice.

it IS fixed on iphone in ios13.3 and was never a problem before ios13