Summary

In this chapter, we were introduced to the principles of data lifecycle management and retention within Microsoft 365. We learned how to use Microsoft Purview dashboards for data classification, view Content explorer to see where sensitive info is detected in Microsoft 365 locations, and utilize Activity explorer to view user activity such as applying a label. We also learned how retention policies in Microsoft Purview are used to retain content at the container level to comply with organizational policies and regulatory requirements, and how retention labels can be used as exceptions to those policies when item-level content such as individual documents need different retention settings from those more broadly applied by retention policies. Finally, we learned how content can be recovered if deleted from Microsoft 365, such as mailboxes and OneDrive.

In the next chapter, we will learn about managing and analyzing audit logs in Microsoft Purview. We will examine the concepts...