Outlook 2016 - Restricted or Blocked Attachment Types

This article explains what types of attachments get blocked in Outlook 2016, and recommendations on how to send emails that include those blocked file types.

Applies to: Outlook 2016 Outlook 2013

To help protect your computer, Outlook doesn’t allow you to receive files of certain types (such as .exe files) as attachments, because of their potential for introducing a virus into your computer. By default, Outlook will block these file types. If you're using Microsoft Exchange Server, typically only the email server administrator can unblock these file types.

Click Blocked attachments in Outlook to learn now to share your files safely.

  • Use a shared server or the cloud
  • Use a file compression utility
  • Rename the file

Keywords:outlook, 2016, restricted, blocked, attachment, o365   Doc ID:72136
Owner:Bob C.Group:University of Chicago
Created:2017-03-29 11:58 CDTUpdated:2017-06-19 06:37 CDT
Sites:University of Chicago, University of Chicago - Sandbox
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