What happens in the online version of Outlook when you try to add your calendar?
Outlook calendars not viewable online
I have several calendars set up in Classic Outlook that I cannot view when in the new version of Outlook online.
Outlook | Web | Outlook.com | Calendar
3 answers
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Stefan Blom 310.3K Reputation points MVP Volunteer Moderator
2025-08-21T14:58:47.8733333+00:00 -
Parish Secretary 0 Reputation points
2025-08-21T15:13:35.3666667+00:00 I can only see these calendars in Classic:
This is what it looks like online in the new version:
I can't see all the calendars online that I can see on the Classic version of the app. This is especially problematic for me when I leave work, as I can't access any of these calendars from my home computer or on my phone.
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Stefan Blom 310.3K Reputation points MVP Volunteer Moderator
2025-08-21T15:21:29.8533333+00:00 Thanks for the follow-up. What can be synchronized will depend on the app and also on the type of account. See https://support.microsoft.com/en-us/office/sync-basics-what-you-can-and-cannot-sync-5537d587-4930-4ac2-b044-3568509b1294 .