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Similar to this question about Outlook 2016, but for Outlook 365 (aka Microsoft 365 Apps for enterprise).

I have successfully used this formula to display the sender's email address if they are outside of my organization. However, I don't have a way to display the email addresses of senders or recipients who are in my organization. I want to see everyone's email address without having to open the full headers of each message. Thank you!

Susie Derkins
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  • As I know, Email addresses are not shown for internal (Exchange) messages, as mentioned in the thread you provided. – Christy Jan 05 '22 at 03:56

1 Answers1

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To add a full-email field:

  • Click View > Add Columns

  • In the Show Columns dialog do the following:

    • Click New Column button

    • In the New Column dialog specify a name for the new column

    • Choose "Formula" for "Type"

    • Paste this formula into the "Formula" box

      IIf(InStr([SearchFromEmail], "@") = 0, "", Left([SearchFromEmail], InStr([SearchFromEmail], "@") - 1)+"@"+Mid([SearchFromEmail],InStr([SearchFromEmail],"@")+1))

  • Click OK to return to the "Show Columns" dialog

  • Select the new column and move its place in the list

  • Click OK to close this dialog.

The senders full email addresses will now be displayed in the mailing list.

Source: How to always show full email address in mailing list?

harrymc
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