Making use of Purview Priority Cleanup on SharePoint Online sites. How checks-n-balances, and right-approach to application can save you massive headaches when managing storage recovery.
What you need to understand from troubleshooting your SharePoint capacity issues, before applying Purview Priority Cleanup or the new Powershell batch-jobs to recover you storage. Just what you can use, why to use it and what checks-n-balances there are to prevent ghastly mistakes.