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 could be used to modify distribution group members in Microsoft Exchange 2010. You need use a comma-separated values (CSV) file as input.
In a real world, IT administrators always need to modify distribution group members due to variety of reasons, like acquisitions, break apart and department reorg. It will be a time-consuming job if IT administrators need to modify the distribution groups one by one.
You can find more All-In-One Script Framework script samples at https://aka.ms/onescriptingallery