Here is a list of free resources from Microsoft:
- .NET
- .NET MAUI
- Adaptive Cards
- ASP.NET Core
- Azure
- Biztalk Server
- C++
- C#
- DAX
- Dynamics 365
- Dynamics 365 Business Central
- Dynamics 365 Commerce
- Dynamics 365 Customer Insights
- Dynamics 365 Customer Service
- Dynamics 365 Field Service
- Dynamics 365 Finance
- Dynamics 365 Guides
- Dynamics 365 Human Resources
- Dynamics 365 Project Operations
- Dynamics 365 Remote Assist
- Dynamics 365 Sales
- Dynamics 365 Supply Chain Management
- Java
- Microsoft 365
- Microsoft Advertising
- Microsoft Cloud
- Microsoft Compliance
- Microsoft Copilot
- Microsoft Copilot Studio
- Microsoft Defender
- Microsoft Edge
- Microsoft Entra
- Microsoft Fabric
- Microsoft Graph
- Microsoft Industry Clouds
- Microsoft Intune
- Microsoft Lifecycle Policy
- Microsoft Mesh
- Microsoft Priva
- Microsoft Purview
- Microsoft Security
- Microsoft Stream
- Microsoft Surface
- Microsoft Teams
- Microsoft Typography
- Microsoft Viva
- OData
- Open Specifications
- OpenAPI
- Partner Center
- PlayReady
- Power Apps
- Power Automate
- Power BI
- Power Pages
- Power Platform
- Power Query M
- PowerShell
- Semantic Kernel
- SharePoint
- SQL Server
- System Center
- Sysinternals
- Vcpkg
- Visual Studio
- Windows
- Windows Server
