Oulook Calendar refuses to sync with iOs from my iphone.

Question

Oulook Calendar refuses to sync with iOs from my iphone.

My iCloud calendar refuses to sync with Outlook. Also my setup for ICloud for windows has an unknown error and will not setup completely. I wonder if this last issue is what creates the first. I am trying to get it to accept the calendar from my iPhone.

Am using a refurbished Dell 5060 with SSD and 16 Gb and Windows 11 if you must know.

iPhone 16e, iOS 26

Posted on Dec 1, 2025 2:34 PM

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Answer 1

Dec 8, 2025 2:38 AM in response to StPolycarpofAltoona

Fix by:

Completely uninstalling all Apple components
Reinstalling iCloud from Microsoft Store
Enabling the iCloud Outlook Add-in
Resetting Windows credentials
Ensuring Bonjour/Apple services are allowed by Windows
Letting Outlook rebuild the iCloud calendar file

Once iCloud for Windows completes setup successfully, Outlook will sync normally.

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Oulook Calendar refuses to sync with iOs from my iphone.

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