After you've published forms into a public folder in the organizational forms library, those forms cannot be deleted from Microsoft Outlook in a Microsoft Exchange Server 2013 environment. Additionally, the Copy, Update, Delete, Properties, and Save As buttons are all unavailable.
This issue occurs because a RP_ROW_TYPE MAPI property is returned empty by Exchange Server 2013.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 3008453 - Last Review: Dec 9, 2014 - Revision: 1
Microsoft Exchange Server 2013 Enterprise, Microsoft Exchange Server 2013 Standard Edition