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.

Development and issue tracking has moved to github platform at https://github.com/ironfede/openmcdf

Features

  • 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

Project Samples

OpenMcdf running on Mono Platform (Linux) Excel file with new Structured Storage Explorer

Project Activity

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Categories

Libraries

License

Mozilla Public License 2.0 (MPL 2.0)

Follow OpenMCDF

OpenMCDF Web Site

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User Reviews

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  • akalokhe Posted 2014-08-04
    just Awesome !! awesome !! awesome !!! no one in my firm was able to help me out with StructuredStorage. & then I found this library. having a c# version is an icing on the cake
  • dpskato Posted 2013-06-06
    We've been using this in production for 6 months no problems since day one. Really nice library, easy to use and good quality code.
  • magnusmadsen Posted 2013-05-27
    Very nice library; quick and easy to use.
  • tfileme Posted 2013-05-20
    Great stuff.
    1 user found this review helpful.
  • sjkirk Posted 2013-03-06
    Awesome, was dreading having to deal with these files from the mid-90s but got the package from NuGet and worked first time. Nice job!
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Additional Project Details

Operating Systems

Windows

Intended Audience

Developers, Information Technology

Programming Language

C#

Related Categories

C# Libraries

Registered

2010-08-09
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