How to Obtain Headers from Email

Below are step-by-step instructions for displaying email header information within several email apps. 

 Gmail 

 

 In Gmail, click on the email you would like to view headers for. 

 Click the three-dot  three-dot icon  icon

next to the  Reply  button. 

 Select  Show Original . Show Original 

 

 Mac Mail 

 

 Open the email. 

 Click on the  View  menu on the Menu Bar. 

 Select  Message , then  Long Headers . Selecting Long Heading from the Message drop-down in the View menu. 

 

 Outlook 2011 

 

 Right-click on the email that you would like to view the headers for (or use Shift +Click) 

 Click  View Source . 

 This will open a text file with the Header Information outlook source code. 

 

 Outlook 2010 

 

 Open the email. 

 Click the  File  Tab. 

 Select  Properties . 

 The information will be listed under the  Internet Headers  section out look properties. 

 

 Outlook 2007 

 

 Right-click the email (or use Shift + Click). 

 Choose  Message  from the menu. 

 The information will be listed under the  Internet Headers  Section outlook message options. 

 

 Thunderbird 

 

 Select the email. 

 Click on  View . 

 Click on  Headers . 

 Click on  All . 

 Click the “Forward” button and all header information will appear at the top of the email.