IOS13 Mail outlook.com duplicate sent items

This has bugged me with MacOS Mail for years, and with iOS13 Mail I now have the problem on the iphone (6s)

I have 4 email accoonts, one icloud account (no problems) and 3 Outlook.com accounts. All 3 now store duplicate sent items in the app.

They are not stored on the server sent folder, and only one copy is received by the recipient.

I have deleted the accounts and added back.

Thete is no setting on webmail to help me.

IOS 11 and 12 did not have this problem though MacOS have had it for years. Its no doubt a Microsoft glitch but only shows up in 13.

Any help, or others testing this would be appreciated.

iPhone 6s

Posted on Sep 21, 2019 10:10 AM

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Posted on Dec 10, 2019 10:38 AM

Wahoo we waited long enough...


  • Fixes issues in Mail that may prevent downloading new messages
  • Addresses an issue that prevented deleting messages in Gmail accounts
  • Resolves issues that could cause incorrect characters to display in messages and duplication of sent messages in Exchange accounts


my battery is 17% lol need to charge before it will allow me to update. Best of luck everyone is this a very merry Christmas from Apple?

301 replies

Sep 24, 2019 4:50 PM in response to Michael 541

Same for me. 13.1 does not help. Still No Sender and No Subject.

i added a new email account, that was in my iPad, to my iPhone and the sender and subject worked OK. So it would seem that deleting the account and creating is again will work.


I am just about to buy a new iPhone 11 Pro Max. Any thoughts on migrating from my current iPhone? Will this solve the Sender Subject issue?

Sep 28, 2019 2:56 PM in response to LD150

Having the same issue since updating to ios 13. Before on ios 11 and 12 I had no problem. I was wondering if it could be an issue with Microsoft?


Also, on the Contacts app when you edit a contact, then update then you go back to your whole list and you close it. You go on main screen and swipe up the Contact app. If you go back to your Contacts app, it stays at the last contact you edited.


If someone have a fix for that I would appreciate.

Oct 6, 2019 6:55 AM in response to sm_philly

I too have this issue. Funny though. Seems to be well kept under wraps. Nothing being mentioned on sites like BGR or 9to5. That’s curious. Anyway I have major problems like all of you with mail/o365 (especially). Duplicate sent. Unable to delete. Truncated messages. Etc. I remember back in the day when blackberry would release a buggy OS - the market was relentless in their attacks, coverage in the paper, their stock price would take a hit. Here we have Apple doing the same thing with the crappy iOS 13 release and no one seems to even notice even though it affects one of the most important functions of this product - specifically for business owners. Hmm, back to BB Key 2 ? At least the email works.

Oct 6, 2019 7:55 AM in response to LD150

I have all of the same issues as all of you, and have tried everything that you have to no avail. There were also other issues that I have successfully worked through.


every new iOS version since v5, and Steve Jobs dying, has been very buggy and getting worse. I hat upgrading iOS versions and they change things that worked fine for the worse!


tine to get an Android phone off this isn’t addressed soon. Lease is up and fed up with Apple and always blaming Microsoft, which has passed them in my opinion on stable releases!

Oct 6, 2019 8:45 AM in response to Pjarvis13

No point in cutting off a limb to treat fungal nail. I would never go back to Droid and its "one upgrade and you're out" feature and weak security.

If anything there are too many people loading beta versions to see the latest thing but not actually testing them.

If I had two iphones I may beta test but as this 6S has run all versions from 10 to 13 almost flawlessly I don't need to upgrade yet. I'll stick with Apple.

Oct 6, 2019 8:52 AM in response to LD150

I have a beta version and I reported the problem since it came out. I immediately advised apple through the “feedback” app and after a few weeks , apple sent me an email saying the issue was fixed, but eventually wasn’t true . I also advised them about other issues on calendar etc but all of them still unsolved . I think is very normal that after so many weeks , customers start to feel nervous.


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IOS13 Mail outlook.com duplicate sent items

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