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No more sync between PC and iPhone

helyane -  

Hello,

Due to updates, I no longer have synchronization between my PC and my iPhone and vice versa. No more synchronization with the calendar and contacts and vice versa.

I use Outlook, Microsoft 365

My HP PC runs Windows 11, version 25H2 and my iPhone 14 runs iOS version 26.5

Thank you for your help

Best regards

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4 answers

  1.  Didi64_549

    Hello,

    You need to first check that both of your accounts are activated in the settings by ensuring that the switches for the calendar and contacts are turned on.

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    1. helyane Author

      Hello, sorry for this extremely late response. (Some health issues). Now, when I’m on Outlook on my PC, I no longer see my contacts or my calendar which are on iCloud. When I click on my contacts or the calendar in Outlook I get an error message "Cannot open all folders" and "Cannot open information bank." I don’t know what to do anymore. On my iPhone there are no problems; the contacts and calendar are present. Could you help me resolve this issue? Thank you in advance. Best regards

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      1. Didi64_549

        Re,

        Verify that the 27 update that was recently released is not present as well.

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    2. helyane Author

      Hello, Please excuse my ignorance but what is update 27? and where do I find it on my PC. I am completely clueless about manipulating my PC. Thanks for your help Best regards

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      1. Didi64_549

        Hi again,

        I was probably talking about the iPhone with software updates: iOS.

        The latest is iOS 27.0.1.

        Check your iPhone by going to General, then Software Update to see what it offers or if it says your iPhone is up to date.

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    3. helyane Author

      Hello Yes my iPhone has the latest iOS version 27.0.1. It’s a problem on my PC, not on the iPhone. I’m just following up on my first question. PC to iPhone synchronization and vice versa no longer works via iCloud. I tried on my PC to reload iCloud but I’m getting an unexpected error. Thanks again for your help and the time you’re giving me. Have a good day Best regards

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