Body
Issue
A user is unable to accept calendar invites on Outlook.com and on the Outlook client by clicking "Accept."
Environment
This article applies to anyone who is trying to accept calendar invites.
Cause
Outlook requires the user to choose how to respond when accepting an invite.
Resolution
Select the invitation message and choose to "Edit the Response Before Sending," "Send the Response Now," or "Do Not Send a Response."
This article has not yet been validated.