HTML JSON XML SVG PPTX
DOTX

Convert DOTX to PPTX using C# or Online App

Build Microsoft Word DOTX to PowerPoint PPTX conversion apps on .NET Framework, .NET Core, Windows Azure, Mono or Xamarin Platforms.

Conversion via Python Conversion via Java Conversion via C++ Conversion in Android Apps

How to Convert DOTX to PPTX Using C#

In order to automate the process for any Word dotx files to PowerPoint pptx presentation batch conversion, we’ll use Aspose.Words for .NET and Aspose.Slides for .NET APIs. The former is a word processing API for processing or manipulating Microsoft Word documents. Whereas, the latter is a presentation manipulation API that lets you create or modify Microsoft PowerPoint slides. Both APIs are part of Aspose.Total for .NET package. You can directly download from Nuget or may use the following commands from the Package Manager Console.

Package Manager Console Command

PM> Install-Package Aspose.Total

Steps to Convert DOTX to PPTX via C#

Aspose.Total makes it easy for the developers to load & convert DOTX files to PPTX in just a few lines of code.

  1. Add reference of Aspose.Total for .NET
  2. Load DOTX file using Aspose.Words.Document class
  3. Save the DOTX document into HTML
  4. Create Aspose.Slides.Presentation Object
  5. Import HTML content in text frame of any slide shape inside presentation
  6. Save the document using Aspose.Slides.Presentation.Save(“output.pptx”, SaveFormat.Pptx)

System Requirements

Aspose.Total for .NET is supported on all major operating systems. Just make sure that you have the following prerequisites.

  • Microsoft Windows or a compatible OS with .NET Framework, .NET Core, Windows Azure, Mono or Xamarin Platforms.
  • Development environment like Microsoft Visual Studio.
  • Aspose.Words for .NET & Aspose.Slides for .NET DLLs or Aspose.Total for .NET DLL referenced in your project.
 

This code sample shows how to convert a DOTX to PPTX using C#

Aspose.Words.Document dotx = new Aspose.Words.Document("sourceWordFile.dotx");

// Save DOTX file to HTML 
dotx.Save("filepath\\test.html", SaveFormat.Html);

// To convert multi pages DOTX documents, export each page to HTML separately using Aspose.Words and then use the below code to convert to PPTX.

using (Presentation pptx = new Presentation()){

	// Access the default first slide of presentation
	ISlide slide = pres.Slides[0];

	// Adding the AutoShape to accomodate the HTML content 
	// Adjust it as of your need
	IAutoShape ashape = slide.Shapes.AddAutoShape(ShapeType.Rectangle, 10, 10, pres.SlideSize.Size.Width - 20, pres.SlideSize.Size.Height - 10);

	ashape.FillFormat.FillType = FillType.NoFill;

	// Adding text frame to the shape
	ashape.AddTextFrame("");

	// Clearing all paragraphs in added text frame
	ashape.TextFrame.Paragraphs.Clear();

	// Loading the HTML file using stream reader
	TextReader tr = new StreamReader("filepath\\test.html");

	// Adding text from HTML stream reader in text frame
	ashape.TextFrame.Paragraphs.AddFromHtml(tr.ReadToEnd());

	// Save the PPTX Presentation
	pptx.Save("filepath\\pres.pptx", Aspose.Slides.Export.SaveFormat.Pptx);
}
 

Online Converter for DOTX to PPTX

FAQ

  • How can I convert DOTX to PPTX Online?
    Online App for DOTX conversion is integrated above. To use this app, you can add your DOTX file by dragging and dropping it into the designated white area or by clicking inside the area to import the document. Next, press the Convert button to start the conversion process. After the DOTX to PPTX conversion is complete, you can download your newly converted file with just one click, and it will be available to you in the form of a PPTX file.
  • How long does it take to convert DOTX?
    This online converter operates quickly but is primarily dependent on the size of the DOTX file being converted. For small DOTX files, the conversion to PPTX can be completed in a matter of seconds. However, if you have integrated the conversion code within a .NET application, the conversion speed will depend on how well your application has been optimized for the conversion process.
  • Is it safe to convert DOTX to PPTX using free Aspose.Total converter?
    Of course! Once the DOTX to PPTX conversion is complete, the download link for the newly converted PPTX file will be instantly available. It also assures the safety of the conversion process, as all uploaded files, including DOTX files, are completely secure and will be deleted from the system after 24 hours. Furthermore, the download links will stop working after this period, ensuring the privacy and protection of your files. The integrated app is free to use and designed for testing purposes so that users can evaluate the results before integrating the code into their projects.
  • What browser should I use to convert DOTX?
    You can use any modern web browser, such as Google Chrome, Firefox, Opera, or Safari, for the online DOTX to PPTX conversion. However, if you are developing a desktop application, the Aspose.Total DOTX Conversion API is recommended for smooth and efficient processing.

Explore DOTX Conversion Options with .NET

Convert DOTX to CSV (Comma Seperated Values)
Convert DOTX to DIF (Data Interchange Format)
Convert DOTX to FODS (OpenDocument Flat XML Spreadsheet)
Convert DOTX to ODS (OpenDocument Spreadsheet)
Convert DOTX to SXC (StarOffice Calc Spreadsheet)
Convert DOTX to TSV (Tab-separated Values)
Convert DOTX to XLAM (Excel Macro-Enabled Add-In)
Convert DOTX to XLTM (Excel Macro-Enabled Template)
Convert DOTX to EXCEL (Spreadsheet File Formats)
Convert DOTX to JSON (JavaScript Object Notation File)
Convert DOTX to XLS (Microsoft Excel Binary Format)
Convert DOTX to XLSB (Excel Binary Workbook)
Convert DOTX to XLSM (Macro-enabled Spreadsheet)
Convert DOTX to XLSX (Open XML Workbook)
Convert DOTX to XLT (Excel 97 - 2003 Template)
Convert DOTX to XLTX (Excel Template)