Add email addresses to the Safe sender's list in Outlook app
This guide will help you add trusted email addresses to a “safe list” in your outlook to prevent it from ending up in junk mail or spam.
Select the cogwheel in the top-right corner of the Outlook application to enter settings
Once you’re in the settings, do the following:
Select the “Email“ blade.
Select “Junk email”.
Scroll down and click on “Add safe sender“.
Enter the email address you want to whitelist.
Press “OK”.
Press “Save“.
Done!