Outlook 365 with iCloud account not syncing calendars

glenn0524

New Member
Outlook version
Outlook 2019 32-bit
Email Account
IMAP
Hi, I am running the latest version of Windows 10 Home 64 bit version 20H2 and I am using Outlook 365. I have multiple email accounts and the one I am using to Synch my calendars is an iCloud account (icloud.com). When I click send/receive in Outlook I get a message saying !Task "Synchronizing subscribed folders for xxxxxxxx@icloud.com" reported error (0x800CCC0E)" Outlook cannot synchronize subscribed folders for xxxxxx@icloud.com. Error: Cannot connect to the server. If you continue to receive this message, contact your server administrator or ISP.
I then changed the password for my iCloud email as I didn't know what it is (forgot my password) and deleted the iCloud account to add it again. I was able to login to my iCloud account successfully using a browser however if I try and add it again to Outlook it rejects the new password. Any ideas ?
 

Vincenzo

Senior Member
Outlook version
Outlook 2016 32 bit
Email Account
IMAP
Hi, I am running the latest version of Windows 10 Home 64 bit version 20H2 and I am using Outlook 365. I have multiple email accounts and the one I am using to Synch my calendars is an iCloud account (icloud.com). When I click send/receive in Outlook I get a message saying !Task "Synchronizing subscribed folders for xxxxxxxx@icloud.com" reported error (0x800CCC0E)" Outlook cannot synchronize subscribed folders for xxxxxx@icloud.com. Error: Cannot connect to the server. If you continue to receive this message, contact your server administrator or ISP.
I then changed the password for my iCloud email as I didn't know what it is (forgot my password) and deleted the iCloud account to add it again. I was able to login to my iCloud account successfully using a browser however if I try and add it again to Outlook it rejects the new password. Any ideas ?
I assume you are using IMAP to sync the email. IMAP does not sync the calendar, only the email. You would need to use iCloud for Windows (or perhaps some other app) to sync the calendar and contacts.
 

Diane Poremsky

Senior Member
Outlook version
Outlook 2016 32 bit
Email Account
Office 365 Exchange
If you are syncing iCloud mail, you may need to use an app password in outlook - apple requires 2-factor auth on the accounts to use non-apple devices. Of the iCloud addin adds the account to outlook, it should count as an apple device but some users report they eventually need to add an app password in Outlook.
 
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