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Borland dBase III PlusFlag for Hong Kong

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iPhone and MacOS will add +1 day to contacts birthday when syncing from/to Exchange Server 2016

Hi All,


We are using Exchange Server 2016, some users are using Outlook for Windows, iMac calendar and iPhone. Some users input the birthday contact (for example : 2021-11-02) in Outlook for Windows, they discovered the birthday sync to iPhone is correct, but in iMac calendar will add 1 day in birthday calendar (2021-11-03) of this contact.

If they change the birthday of this contact to 2021-11-02 in iMac contact, after sync with Exchange Server, Outlook and iPhone will show the birthday 2021-11-01. 


I found many articles, but still no answer to fix this issue. Can anyone help?


Best Regards,

Thomas  

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Jazz Marie Kaur
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On the iMac, they are not using Outlook? Are they using their Microsoft Outlook calendar and Microsoft Outlook mobile app? I would transition them off of the built-in calendars and mail app.
Avatar of Borland dBase III Plus

ASKER

Hi Jazz,

The user only use built-in iMac calendar, contact and mail app. She did not use Outlook for Mac and Outlook mobile app. Her secretary will help to input data in Outlook for Windows.

I know that this issue was discovered over 6 years. Until now, it seems that still no solution to fix / solve this issue.

Best Regards,
Thomas
You might need to open case with both Apple and Microsoft. Or switch user to Outlook.
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Jackie Man
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It sounds like a timezone translation error.