API reference
Important
Versions of the Microsoft Rights Management Service SDK released prior to March 2020 are deprecated; applications using earlier versions must be updated to use the March 2020 release. For full details, see the deprecation notice.
No further enhancements are planned for the Microsoft Rights Management Service SDK. We strongly recommend adoption of the Microsoft Information Protection SDK for classification, labeling, and protection services.
The Microsoft Rights Management SDK 2.1 supports RMS enablement of Windows clients. For more information on specifics, see Release notes.