.NET 5.0 .NET Core 2.0 .NET Standard 2.0 .NET Framework 4.6
dotnet add package sautinsoft.useoffice --version
NuGet\Install-Package sautinsoft.useoffice -Version
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="sautinsoft.useoffice" Version="" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add sautinsoft.useoffice --version
#r "nuget: sautinsoft.useoffice,"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install sautinsoft.useoffice as a Cake Addin
#addin nuget:?package=sautinsoft.useoffice&version=

// Install sautinsoft.useoffice as a Cake Tool
#tool nuget:?package=sautinsoft.useoffice&version=

Nuget Nuget

.NET SDK to convert between Word, Excel, PowerPoint and PDF formats.


SautinSoft.useoffice is .NET assembly to convert between Word, Excel, PowerPoint and PDF formats.


Support for all MS Office formats.

Top Features

System Requirement

  • .NET Framework 4.6.1 - 4.8
  • .NET Core 2.0 - 3.1, .NET 5, 6, 7
  • .NET Standard 2.0
  • Windows, Linux, macOS, Android, iOS.

Getting Started with UseOffice .Net

Are you ready to give UseOffice .NET a try? Simply execute Install-Package sautinsoft.useoffice from Package Manager Console in Visual Studio to fetch the NuGet package. If you already have UseOffice .NET and want to upgrade the version, please execute Update-Package sautinsoft.useoffice to get the latest version.

Convert DOCX to PDF

SautinSoft.UseOffice u = new SautinSoft.UseOffice();
string inpFile = Path.GetFullPath(@"..\..\example.docx");
string outFile = Path.GetFullPath("Result.pdf");
int ret = u.InitWord();
ret = u.ConvertFile(inpFile, outFile, SautinSoft.UseOffice.eDirection.DOCX_to_PDF);

Convert XLSX to PDF

SautinSoft.UseOffice u = new SautinSoft.UseOffice();
string inpFile = Path.GetFullPath(@"..\..\example.xlsx");
string outFile = Path.GetFullPath("Result.pdf");
int ret = u.InitExcel();
ret = u.ConvertFile(inpFile, outFile, SautinSoft.UseOffice.eDirection.XSLX_to_PDF);


Product Compatible and additional computed target framework versions.
.NET net5.0 is compatible.  net5.0-windows was computed.  net6.0 is compatible.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 is compatible.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed. 
.NET Core netcoreapp2.0 is compatible.  netcoreapp2.1 is compatible.  netcoreapp2.2 is compatible.  netcoreapp3.0 is compatible.  netcoreapp3.1 is compatible. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 was computed. 
.NET Framework net46 is compatible.  net461 is compatible.  net462 is compatible.  net463 was computed.  net47 is compatible.  net471 is compatible.  net472 is compatible.  net48 is compatible.  net481 is compatible. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Additional computed target framework(s)
Learn more about Target Frameworks and .NET Standard.
  • .NETCoreApp 2.0

    • No dependencies.
  • .NETCoreApp 2.1

    • No dependencies.
  • .NETCoreApp 2.2

    • No dependencies.
  • .NETCoreApp 3.0

    • No dependencies.
  • .NETCoreApp 3.1

    • No dependencies.
  • .NETFramework 4.6

    • No dependencies.
  • .NETFramework 4.6.1

    • No dependencies.
  • .NETFramework 4.6.2

    • No dependencies.
  • .NETFramework 4.7

    • No dependencies.
  • .NETFramework 4.7.1

    • No dependencies.
  • .NETFramework 4.7.2

    • No dependencies.
  • .NETFramework 4.8

    • No dependencies.
  • .NETFramework 4.8.1

    • No dependencies.
  • .NETStandard 2.0

    • No dependencies.
  • net5.0

    • No dependencies.
  • net6.0

    • No dependencies.
  • net7.0

    • No dependencies.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last updated 272 3/1/2023 373 12/8/2022 1,024 2/24/2022 3,857 1/29/2020 4,447 1/2/2019 4,100 1/20/2017

What's new in the version 5.3:
+ PowerPoint: We fixed an issue where linked excel chart incorrectly changes to excel sheet when user changes the source path to local OneDrive folder.
+ Excel: Improved text kerning in PowerPoint when content is copied from Excel and pasted into PowerPoint with the Embed option. We fixed an issue where Excel would stop working during recalc. We fixed an issue where a user was unable to open atomsvc (UTF8+BOM) file from SharePoint, directly. Fixed an issue that would prevent switching from Table Preview and the Query Editor in PowerPivot. Improved performance for files that are using many of the more recently released functions.
+ Word: We fixed an issue which when opening documents with page breaks and columns, user might encountered an error message, "You have exceeded the maximum number of pages allowed by Microsoft Word supported, or the document may be damaged".