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HOWTO: Show a sender's domain in Outlook

Tested on Windows

In Outlook, the sender's email address is not shown in the message list, nor when you open a message.  All you get is the sender's name.  So, if a malicious person sent you a message from someone you know, you might not detect it. 

This guide will help you to add a column to your message list that will show you the sender's domain (i.e. illinois.edu, gmail.com, etc.).  That way, if you receive a message from someone but the domain isn't what you expect, you should be on guard for a phishing or other malicious email. 
 
Here's what you do: 
  1. Open Outlook
  2. In your message list, click View (green arrow, below)
  3. In the View ribbon, click on Change View (purple), then on Manage Views (blue)
  4. Screen shot of first steps
  5. Click on <Current View Settings>, then on Copy. (this will allow you to go back to your old settings if you wish)
  6. Call the new view something like "Standard View", (you're free to change the "Can be used on" settings if you wish) and click OK 
  7. In the "Advanced View Settings" window, click OK.  Your current view settings are now saved should you want to go back to them.
  8. Click on <Current View Settings>, then on Copy again.
  9. Call the new view something like "Domain View", (you're free to change the "Can be used on" settings if you wish), and click OK 
  10. In the "Advanced View Settings" window, click on Columns (blue arrow, below)
  11. Click on the New Column... button (purple arrow). 
  12. In the "Name" field, type Domain. (as shown, lower right corner)
  13. In the "Type" field, select "Formula"
  14. In the "Formula" field, paste in the following: 
    • IIf(InStr([SearchFromEmail], "@") = 0, "illinois.edu", Mid([SearchFromEmail], InStr([SearchFromEmail], "@") + 1))
  15. Click on the newly created "Domain" column (it will be at the bottom of the list on the right), and and click the Move Up button (green arrow) until "Domain" is just below "From" (orange arrow). 
  16. Screen shot of next windows
  17. Click OK to close the "Columns" window.
  18. Click OK to close the "Advanced View Settings" window
  19. Click on the "Domain View" (under "View Name") and click Apply View
  20. Click OK to close this window. 
  21. Done! 
If the sender is using the University's Exchange server, they won't have a domain, so this formula assumes that the domain is "illinois.edu".  Otherwise, it prints the actual domain of the sender.  




Keywords:forgery email domain sender   Doc ID:102927
Owner:Jay G.Group:University of Illinois School of Chemical Sciences
Created:2020-06-10 00:27 CDTUpdated:2020-06-10 01:04 CDT
Sites:University of Illinois School of Chemical Sciences
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