Implementing retention labels, retention label policies, and retention policies

Retention labels and policies can be used to both retain and remove content based on organizational requirements.

Before we go too far, it’s important to understand how M365 handles retention. The diagram in Figure 10.14 provides a high-level view of Microsoft’s principles of retention:

Figure 10.14 – The principles of retention

Here are some examples of the principles of retention in practice:

• If a document has both a retention action and a deletion action applied to it, the retention action always takes precedence. For example, if a document has a retention policy configured to be retained for 3 years but also has a retention policy or label applied to it that says to delete after 1 year, the retain action will be in effect for 3 years. After the retention period has expired, the delete action will take effect.
• If a document has two retention...