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OlAttachmentBlockLevel Enumeration

Office 2007
Specifies whether there is any restriction on the type of attachments for an item.

Version Information
 Version Added:  Outlook 2007

NameValueDescription
olAttachmentBlockLevelNone0There is no restriction on the type of the attachment based on its file extension.
olAttachmentBlockLevelOpen1There is a restriction on the type of the attachment based on its file extension such that users must first save the attachment to disk before opening it.

Remarks

Attachments with the BlockLevel equal to olAttachmentBlockLevelOpen are on the Level 2 list of attachments that administrators maintain for attachment security. For more information on attachment security in Outlook, see the Office Resource Kit Web site.



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