UseOffice .Net is a robust .NET component to convert between DOC, DOCX, XLS, RTF, PPT, PDF and HTML formats with tables, images, fonts, colors etc. Our component is just a class library, it requires Microsoft Office installed. You can install any version of MS Office from: 2000, XP, 2003, 2007, 2010, 2013, 2016 or 2019. It will not work with Office 365 and Office 2021 and higher (64-bit), because these verions don't support of OLE Automation.

Why choose SautinSoft.UseOffice?

Converting Quality
Because the whole conversion process works using MS Office Automation, you can be relax and sure in 100% high quality.

Convert between MS Office and PDF documents
Gives API to your Apps to convert between MS Office documents (Word, Excel and PowerPoint) and PDF. Requires MS Office.

Comfortable API for MS Office Automation
Working with UseOffice .Net API, instead of directly using MS Office Automation, you get a simple and reliable API to make conversion within 3 lines of code, avoiding the pitfalls.

Full .NET Support for Windows
Our component is completely written in managed C# code and .NET platform.

More than 40 various conversion directions
The component offers you API with more than 40 conversion directions, such as: docx to pdf, xlsx to pdf, pptx to pdf, doc to docx, rtf to docx, pptx to html and a lot of more.

Supports various MS Office versions
Our .NET SDK is compatible with various MS Office versions: 2000, XP, 2003, 2007, 2010, 2013, 2016 and 2019.

Feature Highlights

Convert DOCX file to PDF file
Simplest API of using MS Office Automation to Convert DOCX file to PDF file within .NET and C#.

Convert XLSX file to PDF file
Simplest API of using MS Excel Automation to Convert XLSX file to PDF file within .NET and C#.

Convert PPTX file to PDF file
Simplest API of using MS PowerPoint Automation to Convert PPTX file to PDF file in .NET and C#.

Convert DOC file to DOCX file
Simplest API of using MS Word Automation to Convert DOC file to DOCX file in .NET and C#.

Convert RTF file to DOCX file
Simplest API of using MS Word Automation to Convert RTF file to DOCX file in .NET and C#.

Convert XLSX file to CSV file
.NET API for your app to convert XLSX to CSV format in C# using MS Excel under the hood.


Requirements and Technical Information
UseOffice .Net can be used on Windows only. It requires MS Office installed, any version: 2000, XP, 2003, 2007, 2010, 2013, 2016 or 2019.

.NET Framework 4.6.1, 4.7, 4.7.2, 4.8

.NET Core 2.0, 2.1, 2.2, 3.0, 3.1

.NET 5, 6, 7

Only for V.I.P