Find the email headers for emails

Follow the steps for your specific email client to retrieve the full email headers.

Webmail Clients

Gmail

1. Log in to Gmail.
2. Open the message you would like to view headers for.
3. Click the three dots at the right-hand side of the Reply button (labeled "More").
4. Select Show Original.

The full headers appear in a new window.

AOL

1. Log in to your AOL account.
2. Open the message you would like to view headers for.
3. In the Action menu, select View Message Source.

The full headers appear in a new window.

Hotmail

1. Log in to your Hotmail account.
2. Select Inbox from the left-side menu.
3. Right-click the message you would like to view headers for and select View Message Source.

The full headers appear in a new window.

Yahoo! Mail

1. Log in to your Yahoo! Mail account.
2. Select the message you would like to view headers for.
3. Click the Actions drop-down and select View Full Header.

The full headers appear in a new window.

Desktop Email Applications

Apple Mail

1. Open Apple Mail.
2. Click on the message you would like to view headers for.
3. Go to the View menu.
4. Select Message, then Long Headers.

The full headers appear in the window below your inbox.

Mozilla Thunderbird

1. Open Mozilla Thunderbird.
2. Click on the message you would like to view headers for.
3. Click the View menu, and select Message Source.

The full headers appear in a new window.

Microsoft Exchange

1. Click the File menu.
2. Click Properties.
3. Click the Details tab.
4. Click Message Source.
5. Highlight, copy and paste everything from the Message Source window (Ctrl-A, Ctrl-C).

Outlook 2010, 2013, and 2016

1. Open the email message in its own window by double-clicking on the message.
2. Go to File > Info for that message.
3. In the right-hand pane, click the Properties button.

Outlook (Current Version)

1. Open Outlook.
2. Open a message.
3. On the Message tab, in the Options group, click the Dialog Box Launcher icon.
4. In the Message Options dialog box, the headers appear in the Internet headers box.

Outlook for Mac

1. Log in to Outlook.
2. Right-click (or Ctrl-click) the message in your Inbox or other folder — do not open the message.
3. From the menu that appears, select View.

The full headers appear at the top of the email source.

Outlook Express

1. Open Outlook Express.
2. From your inbox, locate the message you would like to view headers for.
3. Right-click the message and select Properties.
4. Open the Details tab in the dialog box.

The full headers appear in the dialog box.