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Office and SharePoint development > Office client development > Office 2013 > Outlook 2013 > Outlook 2013 MAPI Reference > MAPI Reference > MAPI Interfaces > IAttachmentSecurity : IUnknown
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IAttachmentSecurity : IUnknown

Office 2013

Published: July 16, 2012

Allows Microsoft Outlook 2010 and Microsoft Outlook 2013 solutions to find out if an attachment is considered unsafe and blocked for viewing and indexing.

Interface identifier:

IID_IAttachmentSecurity

IAttachmentSecurity::IsAttachmentBlocked

Checks if a specified attachment is blocked by Outlook 2010 or Outlook 2013 for viewing and indexing.

Outlook 2010 and Outlook 2013 solutions can query this interface to see if an attachment is blocked. The attachments that are blocked by Outlook 2010 or Outlook 2013 vary depending on how Outlook 2010 or Outlook 2013 has been configured and the policies that an administrator has applied.

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