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 PowerShell script sample shows how to change AutoSave interval in Outlook.
Although Outlook by default auto saves emails as you type them every 3 minutes to prevent you from losing work, many people don't know the setting is actually adjustable via UI. This script can easily help user to do it.
You can find more All-In-One Script Framework script samples at https://aka.ms/onescriptingallery