Email Header - What is an Email Header / EML and How To Find It

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What is an Email Header And How Do You Find It?

What is an Email Header / EML file?

Every email that's sent has 2 parts, the body (what you see when you read the message), and the header. The header has information like the server the email came from, who sent it, what time it was sent, who the email was intended for. This information is important when you get a suspicious email or spam email that slips through the SPAM filter, as it can help find where exactly the email originated from.

NOTE: The default email clients on iPhones/Ipads and Android devices don't have a function to view the email header.

Our guide for finding the email header in various applications are here:

Outlook 2016 / 2013 / 2010 / 2007
Step 1 - (1) Double Click on the email you want to get the EML for then (2) click on Messages

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Step 2 - Click on the small 8a0361133809d9ba07dbb44296b980c40c9cbc64?t=b5045f7a9b77a6acd019812493369fae icon near the top right (it may be under the Follow Up icon, or another)


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Step 3 - You will see the Internet Headers: at the bottom of this window. Right-click inside the header window, choose Select All, then right-click again and click Copy. Now you can close this window and paste the header into a text document or email to send to us to investigate for you.


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Mac Mail
Step 1 - (1) Open the email you want the EML for, so it's open in its own window then (2) Click View > Message > Raw Source


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Step 2 - Copy the headers by right clicking, selecting all (or highlighting the whole windows) and then choosing copy. Now you can close this window and paste the header into a text document or email to send to us to investigate for you.


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Outlook For Mac
Step 1 - Open the email you want the EML for, so it's open in its own window


Step 2 - Click View > Internet Headers


Step 3 - Click inside the box with the header info then click Edit > Select All. Then click inside the box again and click Edit > Copy. Now you can close this window and paste the header into a text document or email to send to us to investigate for you.



Thunderbird (Windows and Mac)
Step 1 - (1) Select the email you want to find the header for then (2) Click View > Headers > All


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Step 2 - Double click on the email

Step 3 - Press the Ctrl + U keys on your keyboard. You'll now see the header. Right click (or Ctrl + click on Mac) and click Select All. Then Right Click again and click Copy. Now you can close this window and paste the header into a text document or email to send to us to investigate for you.

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Google Mail
Step 1 - Open the email you want to find the header for, click on the 7857baefcbebc1f58abf0d5f60014b333d7175b2?t=c69fcf13770263886ba5e09dd3ef47f8 icon then click on Show Original


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Step 2 - Scroll down and you will see the Internet Headers. at the bottom of this window. Hilight all the header text then right-click and click Copy. Now you can close this window and paste the header into a text document or email to send to us to investigate for you.


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