Convert DOC to DOCX

Files with .DOC extension represent documents generated by Microsoft Word or other word processing documents in binary file format. The extension was initially used for plain text documentation on several different operating systems. It can contain several different type of data such as images, formatted as well as plain text, graphs, charts, embedded objects, links, pages, page formatting, print settings and a lot others.

Steps to convert DOC to DOCX in C#

GroupDocs.Conversion allows developers to convert the DOC file to DOCX format in an easy and intuitive way just using a few lines of code as described below:

  • Create an instance of Converter class and pass source DOC file path as a constructor parameter. You may specify absolute or relative file path as per your requirements.
  • Create an instance of WordProcessingConvertOptions class.
  • Call Converter class Convert method and pass the filename for the converted DOCX file and the WordProcessingConvertOptions object from the previous step as parameters.
// Load the source DOC file
using (var converter = new GroupDocs.Conversion.Converter("sample.doc"))
{
    // Set the convert options for DOCX format
   var options = new WordProcessingConvertOptions();
    // Convert to DOCX format
    converter.Convert("converted.docx", options);
}

Code Examples

Please find more use-cases and complete C# sources of our backend and frontend examples and try them for free!

DOC to DOCX Live Demo

GroupDocs.Conversion for .NET provides an online DOC to DOCX converter, which allows you to try it for free and check conversion quality and accuracy.

“Convert DOC to DOCX”