Dec 07 2018 08:35 AM
Knowing how retention policies process Office 365 data can be hard to understand, especially if multiple policies are involved. Office 365 doesn’t give a global view of how retention policies affect workloads, but here’s how to use PowerShell to find out what policies process the sites in a tenant.
https://office365itpros.com/2018/12/07/office-365-retention-policies-sharepoint-sites/