Where can I find mail headers in Outlook for Mac?

The mail header is a hidden piece of code with your e-mails that carries information about that e-mail.

You can use the header to find out where an e-mail comes from or to solve problems when sending your own e-mails.

Outlook on a Windows computer?  Use our manual for Outlook on Windows

Follow these steps in Outlook for Mac 2016/2011:

  1. Right-click on the e-mail whose header you want to view and choose “View Source” in the menu.
  2. The top part of the source is the mail header (see image).

Updated on 24 March 2020

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