Do SharePoint Retention Policies and Sensitivity Labels Apply to Subsites?
Question details
Understand whether Microsoft Purview retention policies and sensitivity labels cascade down to SharePoint subsites and their documents.
- Product
- Microsoft SharePoint
- Device & OS
- not provided
- Scenario
- Managing document compliance, retention rules, and sensitivity labels across a complex tenant during a Microsoft 365 migration.
- Observed behavior
- Determine if compliance policies configured at the site-collection level automatically apply to all underlying subsites and nested documents.
Ensure you have Microsoft 365 global administrator or compliance administrator privileges and access to the Microsoft Purview compliance portal to view or test tenant configurations.
Confirm Site-Collection Level Application
Retention policies and sensitivity labels configured at the site-collection level generally cascade down to subsites, but propagation requires verification.
In Microsoft 365, retention policies are typically applied at the site-collection level rather than directly targeted at individual subsites. When a policy is applied to a site collection, it generally encompasses the contents of that entire collection, inherently including its subsites.
While sensitivity labels and document-retention policies do apply to items within subsites, changes can take significant time to propagate across large or complex tenants.
Log into the Microsoft Purview compliance portal using your administrative credentials.
Navigate to 'Data lifecycle management' or 'Records management' and select 'Policies' to review your existing SharePoint retention settings.
Create a pilot retention policy and assign it to a specific site collection that contains subsites. Upload a test document into one of the subsites.
Check the document properties in the subsite after 24-48 hours to confirm that the sensitivity labels and retention rules have successfully propagated.
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Frequently Asked Questions
Can I apply a retention policy directly to a single SharePoint subsite?
No, Microsoft Purview retention policies are designed to be configured and applied at the site-collection level. You cannot isolate and target an individual subsite directly through the standard retention policy wizard.
How long does it take for sensitivity labels to propagate to subsites?
While the initial configuration is quick, Microsoft advises that it can take anywhere from 24 hours to 7 days for sensitivity labels to fully propagate to all documents and nested subsites within a large site collection.
Do SharePoint retention policies automatically apply to Microsoft Teams sites?
Microsoft Teams sites have their own underlying SharePoint site collections, so SharePoint policies apply to files stored there. However, Teams channel messages and chats require their own separate retention policy configurations in the Purview portal.
