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Microsoft 365 (Outlook on the web) - Error - This calendar isn't available Please try again

When a user tries to access the Calendar by using Outlook on the web, that user receives the following error message:

This calendar isn't available. Please try again later.

Additionally, other users may be unable to see that user's free/busy information.
This problem can occur for one or more of the following reasons:
  • Corrupted items in the user's Calendar
  • Corrupted custom views
  • Corrupted navigation pane settings

To resolve this problem, follow the steps outlined within Microsoft documentation.

Keywordsmicrosoft ms office365 o365 m365 microsoft 365 calendar room This calendar isn't available. Please try again error outlook on the web   Doc ID75377
OwnerO365 S.GroupMicrosoft 365
Created2017-08-09 11:30:16Updated2023-02-02 09:22:58
SitesDoIT Help Desk, Microsoft 365
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