---
title: "Finding Email Header Information"
canonical: "https://kb.uconn.edu/space/IKB/10730800124/Finding%20Email%20Header%20Information"
format: markdown
---
Students, staff, and faculty should know how to obtain header information for possible spam emails received, email bounce backs, and other issues with received emails. For more information, see [spam and virus protection](http://uits.uconn.edu/spam-and-virus-prevention).

> ℹ️ <span style="color: #222222">The header in an email precedes the message and contains routing information such as sender, recipient, date, and subject. </span>

## Outlook Web App (Office 365)

> ℹ️ This method also applies to the Outlook desktop app for Windows, but does not apply to [Outlook (classic)](https://uconn.atlassian.net/wiki/spaces/IKB/pages/10730800124/Finding+Email+Header+Information#Outlook-(Classic)).

1. Open the desired message.
2. In the upper right-hand corner of the message, click the three dots to open the menu.

![4.png](media://9c32430e-fb17-426b-9bbb-ab8a54c9e8a8)

3. In the menu that opens, click “View,” then click “Message Details”

![5.png](media://9dddbbb2-dba7-4f66-b9a3-43d5d8b68f97)

4. The complete email header information will be displayed in the message details window and can be copied if needed.

## Outlook (Classic)

### Method 1: Message Properties Window

1. Double-click the desired message to open a separate message window.
2. Click “File” in the upper left corner of the message window.

![screenshot of message window with file button highlighted](media://520fb4b5-2677-47d9-bc3d-a2bdaa293670)

3. Click “Properties.”
4. At the bottom of the properties window, look for the “Internet Headers” box. The complete email header information will be displayed there and can be copied if needed.

![screenshot of properties window with internet headers box highlighted](media://f8a44efe-a5a3-4535-8d00-0ece3d3e15f9)

### Method 2: Open Message

1. Double-click the desired message to open a separate message window.
2. Make sure you are viewing the “Message” tab, then click on “Tags”
3. In the tags menu, click the small arrow in the bottom right corner to open the properties window.

![screenshot of the tags menu highlighting the small arrow in the bottom corner](media://e2bdbbcf-9656-449c-b945-ac7632b57b82)

4. At the bottom of the properties window,look for the “Internet Headers” box. The complete email header information will be displayed there and can be copied if needed.

## Outlook on Mac

1. Right-click the desired message to open the menu
2. Click “View Source.” This should be located near the bottom of the menu

![Screenshot of outlook on mac with menu open and view source button highlighted](media://35a393e5-d8d6-4d4a-be30-5abeb2c76125)

3. This will open a text edit file with the complete email header information.


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