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.

Install-Package OpenMcdf -Version
dotnet add package OpenMcdf --version
paket add OpenMcdf --version
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Release Notes

Bug fix issue 2 @ github - wrong ministream cutoff handling
Source code has been migrated to github (
Here you can find extension helpers(development, still unreleased) for manipulation of OLE Properties and IO Stream native support.


This package has no dependencies.

Version History

Version Downloads Last updated 1,528 7/22/2017 313 6/2/2017 (current version) 766 3/17/2017 810 12/29/2016
2.0.5739.40493 25,468 9/18/2015 1,985 1/24/2013