for .NET Framework and .NET Standard (including .NET Core)

OpenMCDF is a 100% .net / C# component that allows developers to manipulate Microsoft Compound Document File Format for OLE structured storage. It supports read/write operations on streams and storages and traversal of structures tree.

• COM Structured Storage for your .NET applications
• Read / Write OLE compound files in .NET / C#
• No COM Interop required
• No external dependencies
• Easy to use
• Lazy loading to reduce memory consumption for read operations
• Version 4 of the compound file format supported
• Append data to existing streams
• Get partial stream data from a given offset
• Differential update of existing compound files
• Can handle thousands of structured storage items
• Support for native .net Stream object
• Mono platform supported