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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 directory trees.

Total Downloads
221.7K
221,661
Published
Mar 30, 2026
Latest stable version

Install

.NET CLI
dotnet add package OpenMcdf.Ole --version 3.1.2-experimental.1
Package Manager Console
Install-Package OpenMcdf.Ole -Version 3.1.2-experimental.1
PackageReference
<PackageReference Include="OpenMcdf.Ole" Version="3.1.2-experimental.1" />

Frameworks

net8.0 net10.0 .NETStandard2.0

Dependencies

OpenMcdf
net8.0
[3.1.2, )
OpenMcdf
net10.0
[3.1.2, )
OpenMcdf
.NETStandard2.0
[3.1.2, )
[8.0.0, )
[8.0.0, )
Microsoft.Bcl.HashCode
.NETStandard2.0
[6.0.0, )
System.Memory
.NETStandard2.0
[4.6.0, )

Adoption guide

Assess this package against its supported frameworks, license, maintenance signals and dependency graph before making it a project standard.

This version is marked prerelease. Validate its API and upgrade path before production use.

Compatibility metadata lists 3 target frameworks; confirm the exact target used by your application.

How to read this guidance

Sources: published NuGet v3 registry metadata and explicit NuBrowse editorial guides. Refresh: package metadata is refreshed from NuGet when the page loads. Limit: this is not a security, legal or compatibility guarantee; validate the selected version in your project.

Useful next steps

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