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Implementing a Custom File Format

  • Article
  • 01/07/2021

In this article

This section on implementing a custom file format is organized as follows:

  • File Types and File Associations
  • Guidelines for File Associations and Default Programs
  • Working with Shell Extensions
  • Shortcut (Context) Menus and Shortcut Menu Handlers
  • Drag-and-Drop Handlers and Custom Clipboard Format
  • Thumbnails and Icons
  • Preview Handlers and Shell Preview Host
  • Property Sheet Handlers
  • How to Register and Implement a Property Sheet Handler for a File Type
  • How to Register and Implement a Property Sheet Handler for a Control Panel Application

 

 


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Additional resources

In this article

Your Privacy Choices
  • Previous Versions
  • Blog
  • Contribute
  • Privacy
  • Terms of Use
  • Trademarks
  • © Microsoft 2025