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Can't open a calendar from a sharing invitation in Outlook on the web

PROBLEM
A user can't open a calendar from a sharing invitation in Outlook on the web because the Accept button is missing. Additionally, an .eml file is attached to the sharing invitation.
CAUSE
This issue occurs if a disclaimer transport rule is applied to calendaring messages, and Wrap is specified as the fallback action.

Screen shot of the disclaimer transport rule, showing the fallback action set to Wrap
SOLUTION
To resolve this issue, do one of the following:
  • Change the fallback action of the disclaimer transport rule from Wrap to Ignore.
  • Change the disclaimer transport rule to skip calendaring sharing invitations. For example, add an exception that specifies the following conditions:
    Except if: The subject or body > subject or body includes any of these words > has invited you to view his or her Microsoft Exchange Calendar or Sharing invitation or Sharing request or I'd like to share my calendar with you
    Screen shot of the exception that's added to the disclaimer transport rule
For more information about how to set up disclaimers, see Organization-wide disclaimers, signatures, footers, or headers.
MORE INFORMATION
For more information about transport rules in Exchange Online, see Mail flow or transport rules.

Still need help? Go to the Office 365 Community website.
Properties

Article ID: 3187214 - Last Review: 09/06/2016 17:19:00 - Revision: 5.0

Microsoft Exchange Online

  • o365e o365m o365022013 o365 o365a kbgraphxlink KB3187214
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