Convert PPTX to PPT

Files with PPTX extension are presentation files created with popular Microsoft PowerPoint application. Unlike the previous version of presentation file format PPT which was binary, the PPTX format is based on the Microsoft PowerPoint open XML presentation file format. A presentation file is a collection of slides where each slide can comprise of text, images, formatting, animations, and other media.

Steps to convert PPTX to PPT in C#

GroupDocs.Conversion allows developers to convert the PPTX file to PPT 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 PPTX file path as a constructor parameter. You may specify absolute or relative file path as per your requirements.
  • Create an instance of PresentationConvertOptions class and set Format property to GroupDocs.Conversion.FileTypes.PresentationFileType.Ppt.
  • Call Converter class Convert method and pass the filename for the converted PPT file and the PresentationConvertOptions object from the previous step as parameters.
// Load the source PPTX file
using (var converter = new GroupDocs.Conversion.Converter("sample.pptx"))
{
    // Set the convert options for PPT format
   var options = new PresentationConvertOptions { Format = GroupDocs.Conversion.FileTypes.PresentationFileType.Ppt };
    // Convert to PPT format
    converter.Convert("converted.ppt", options);
}

Code Examples

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

PPTX to PPT Live Demo

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

“Convert PPTX to PPT”