How to Access the Source of an Email Message in Outlook.com

Reading the source headers of an email message in your Outlook.com inbox offers tons of info about who sent it and how it got into your inbox.

April 15, 2025 · 1 min · 51 words · Nancy White

Table of Contents

Additional information covers how to interpret email message headers.

View the Full Source Code of an Email in Outlook.com

Select or bring up the email.

SelectMore actions(the three horizontal dots).

The Outlook.com inbox.

SelectView>View message source.

When you’re done, selectClose.

Inspecting headerscan lead to valuable insights about a message.

Selecting a received email in Outlook.com.

Viewing More actions in Outlook.com.

Viewing the source of an email in Outlook.com.

Email header information