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Blocked .mht files in Outlook Web App (OWA) RRS feed

  • Question

  • Can someone confirm for me that there is absolutely no way to unblock .mht files as attachments in OWA?

    This is what I read here... http://technet.microsoft.com/en-us/library/bb124232(v=EXCHG.80).aspx

    The following files are always blocked by Outlook Web Access, regardless of the file access settings in the Outlook Web Access virtual directory:

    • .mht files.
    • Non-XML file types that contain XML content.

    If a user tries to open an allowed file type, not an XML file type, that contains any embedded XML, Outlook Web Access will block the file and not allow it to be opened or saved to the user's local computer.

    Outlook Web Access will block .mht files even if .mht is in the allowed files list. Files that are of the.mht type cannot be opened or saved to the user's local computer.

    Thursday, October 25, 2012 3:02 PM

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