Microsoft has released a downloadable version of the Microsoft CRM Software Development Kit (SDK) documentation

This is a downloadable version of the Microsoft CRM Software Development Kit (SDK). This documentation provides the information necessary for developers to integrate their applications into Microsoft CRM or to build a vertical solution on the Microsoft CRM platform. An architectural overview includes descriptions of the object and security models, as well as the integration points. The API references are documented and the database schema is provided. There is a “How To” section with sample code.

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