For customers who cannot access the embedded link:
1. Navigate to https://admin.microsoft.com/#/homepage
2. Click the Users drop down option
3. Click Active users
4. Select the desired user
5. Click the Mail tab
6. Click the Send on behalf of permissions option
7. Click Add permissions
8. Select the desired user/s
9. Click Add
10. Close the tab
11. Navigate to https://portal.crossware365.com/cms/designer/lookups
12. Click on the Fields icon
13. Click Create formula field
14. Type "OnBehalfOf"
15. Click here.
16. Enter the C# script below:
string strFrom1 = "";
List<string> sFrom1 = pEmailHeaders["Sender"];
System.Net.Mail.MailAddress mAddrF1 = new System.Net.Mail.MailAddress(sFrom1[0]);
strFrom1 = mAddrF1.Address;
return strFrom1;
17. Click SAVE & CLOSE
18. Click on the DIRECTORY tab
19. Click Create directory field
20. Enter the details as shown below > Click SAVE & CLOSE
21. Select the Signature Blocks icon > Hover over the relevant signature block > Click edit
22. Drag and drop the "SenderDisplayName" field
23. Click SAVE & CLOSE
24. Open the Outlook mail client app > Create a new email > Click the "From" field
25. Select the shared mailbox
26. Enter an internal / test email address in the "To" field
27. Click Send
28. The display name for the user sending on behalf of the mailbox should now be visible
