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The Windows Protocols documentation contains detailed technical specifications for Microsoft protocols that are implemented and used by Windows to interoperate or communicate with other Microsoft products. It also contains technical specifications for extensions to industry-standards and other published protocols that are used by Windows. In addition, the documentation includes a set of companion technology overview and reference documents that supplement the technical specifications with conceptual background, overviews of inter-protocol relationships and interactions, and technical reference information.
Documentation for released versions of Windows was last updated March 4, 2020, and is at Windows Protocols.
No preview versions of Windows Protocols documents are available at this time.