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M365 Outlook (Known Issues) Importing ICS Files Error

There is a known issue with importing ics files within the Outlook Web App and Outlook desktop users for both Mac and Windows.

  

Message displayed:
The events couldn't be imported. Please try again later. Error message: An internal server error occurred. The operation failed.

Troubleshooting

Open the .ICS file in a text editor like Notepad for Windows or TextEdit for Mac, then search for METHOD: REQUEST and change that to METHOD:PUBLISH, save the changes and proceed to import the file as you were doing it.
 

 








Keywords:office 365, o365, known, issue, import, ics, file, importing, problem, how to, outlook, mac, windows   Doc ID:78786
Owner:Help Desk K.Group:UW-Milwaukee Help Desk
Created:2017-12-15 13:47 CDTUpdated:2023-07-13 15:38 CDT
Sites:UW-Milwaukee Help Desk
Feedback:  2   8