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 or 2013. Developers can integrate UseOffice .Net using VB.NET, C#, Delphi .Net or J# etc. UseOffice .Net provides more than 40 various converting directions. Such as: These directions of converting are supported: (Requires MS OfficeВ®, any version: 2000, XP, 2003, 2007, 2010 or 2013).

- DOC to HTML, XML - DOCX to HTML, XML - HTML to DOC
- DOC to RTF - DOCX to RTF - HTML to RTF
- DOC to TXT - DOCX to TXT - HTML to TXT
- DOC to PDF/A - DOCX to PDF/A - HTML to PDF/A
- DOC to DOCX - DOCX to DOC

- XLS to HTML, XML - RTF to HTML, XML - PPT to HTML, XML
- XLS to TXT - RTF to TXT - PPT to RTF
- XLS to CSV - RTF to DOC - PPT to PDF/A
- XLS to RTF - RTF to PDF/A - PPT to JPG, BMP, GIF
- XLS to PDF/A - Text to PDF

- XLSX to HTML, XML Only for Office 2013:
- XLSX to TXT - PDF to DOCX
- XLSX to CSV - PDF to DOC
- XLSX to RTF - PDF to RTF
- XLSX to PDF/A - PDF to Text

Technical information

Completelly written in C#.
Requires only MS Office installed
Easy to integration in any .Net 2.0, 3.0, 3.5, 4.0 and 4.5 Web and WinForms applications
Can be used at server side: Windows 2003/2008/2012, Azure and so forth.
Can be easily integrated in any type of a 32-bit or 64-bit .NET application

Component can be used:

To create Windows Forms and Web-based ASP.Net server applications
In C#, VB.Net, J#, ColdFusion etc where installed .Net platform and MS Office

Requirements and compatibility

.Net platform (1.1 or higher), because it's 100% managed C# library
Works even in Full Trust level
32-bit and 64-bit compatible

Home:

http://www.sautinsoft.com/convert-rtf-html-doc-docx-xls-xlsx-ppt-to-pdf-net-library/overview.php

Only for V.I.P