1. Navigate to the Users page in the Azure Portal: https://portal.azure.com/#view/Microsoft_AAD_UsersAndTenants/UserManagementMenuBlade/~/AllUsers
2. Select User by Name
3. Expand Manage, and click Authentication methods
   
4. Click + Add authentication method
5. 
6. Add users personal email address (not company). This will be used if they get locked out of their company account. Click Add when done.
7. Add users personal cell phone number (not company). This will be used if they get locked out of their company account. Click Add when done.
8. User will now have 2 authentication methods they can use during their initial sign in.