Question
How do I display the full email headers?
Overview
To further diagnose/troubleshoot an email issue, we ask customers to send us the full email headers for the email that is experiencing an error.
Answer
When currently viewing an email, please find the email interface/client you are using below and follow the steps to display the full email headers.
Davismail
Click the small down arrow to the right of a message, next to the Reply button. Choose Show Original.
Apple Mail
Click on View > Message > Raw Source.
Thunderbird
Click on View > Message Source.
Outlook 2013, 2016, 2019 and Office Pro Plus versions (Windows)
Double-click on the email to open it in a new window. Click on File > Info > Properties. In the properties window that pops up, the email headers will be in the box for Internet headers. Click in the Internet Headers box and type Ctrl-A to highlight all text then Ctrl-C to copy the text. Type Ctrl-V to paste the text into a new email or into a file which you save and attach.
Outlook 2011 & 2016 (Mac)
Right-click (or Control-click) on the message and choose View Source. Message headers appear at the top of the text document that opens.
Office 365 OWA (Outlook Web Application)
- Select the message that you want to view the headers of.
- Within the message, click on the "..." (three dots) next to the "Reply/Reply all/forward arrow" action button and select View | View message details.
- View message details. The 'Message details' window will appear containing the header information of the message.
Add as Attachment
- Click New, then select Email message from the context menu.
- Click the pop-out icon, open separate window icon, located at the top right corner of the message window. This will open this message as its own window within your client/browser.
- Next, organize your client/browser windows so that you can view both your mail folder listing and the new message window.
- Drag the email, from your mail folder list, that you want to include in the message you are composing. It will be included as an attachment.
Note: If you are currently in 'Conversation' view, all the messages within the conversation will be attached. If you only want a specific message to be attached, change your view to 'Messages' then attach.
If sending the email headers to IT Express for troubleshooting assistance, please email ithelp@ucdavis.edu. Copy and paste the full email headers into the message along with a description of your problem.