The script is available for download in Microsoft Script Browser for Windows PowerShell ISE. You need to install the Script Browser application first, and search for the script sample title.
This script shows how to changes the display name of all users in an OU to the format Lastname, Firstname.
Through the script admins could be able to format users display name as what they want. It will make it easy to find users name and manage users' name.?
You can find more All-In-One Script Framework script samples at https://aka.ms/onescriptingallery