Refer to this article to extract text from PowerPoint using C#. It has details to set the IDE, a list of steps, and a sample code to convert PowerPoint to text using C#....developing a PowerPoint to text converter using C# . You will learn...fetching text from it. Steps to Convert PowerPoint to Text using C#...
Aspose.Slides is a C# .NET PowerPoint API. Aspose Slides API to create C# PPT programmatically....NET API for PowerPoint File Formats Read, write, modify...modify, merge, clone, protect & convert PowerPoint and OpenOffice presentations...