If you are looking for a script to filter mailbox size greater than specified size ,this script will help.Most of the cases when you want to enable archive for a list of users who is getting near to the quouta limit,you can use this script to pull the data.Hence i have added a line to filter the archive is not enabled.
This script will prompt you for options like filter based on country or region,which you can customize or you make a selection of all.
Output file path and size filter also you can specify while executing it.
Download the script here
