Convert Excel to PPTX via C# or Online App

Export Excel to PPTX on .NET Framework, .NET Core, Mono or Xamarin Platforms

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Why Convert Excel to PPTX format?

There are many reasons to convert an Excel file to a PowerPoint presentation. Excel is a great tool for data analysis and manipulation, but it can be difficult to present this data in a way that is easy for others to understand. PowerPoint is a much better tool for presentations, and it is much easier to create visually appealing slideshows with PowerPoint than with Excel.

How Aspose.Total can help in Excel to PPTX Conversion?

Aspose.Total for .NET is a great API for converting Excel files to PowerPoint presentations. This API makes it very easy to convert Excel files to PowerPoint, and it also provides a number of features that make it easy to customize the conversion process. For example, Aspose.Total for .NET allows you to specify the layout of the PowerPoint presentation, and it also allows you to specify how the data from the Excel file should be mapped to the PowerPoint slides.

How to Convert Excel to PPTX?

  1. Open Excel file using Workbook class
  2. Convert Excel to PDF and set SaveFormat to Auto
  3. Load the converted PDF file using Document class
  4. Save the document to PPTX format using Save method and set Pptx as SaveFormat

Excel to PPTX Conversion Requirements

Install from command line as nuget install Aspose.Total or via Package Manager Console of Visual Studio with Install-Package Aspose.Total. Alternatively, get the offline MSI installer or DLLs in a ZIP file from downloads

.NET C# Code for Excel to PPTX Conversion

var book = new Aspose.Cells.Workbook("input.csv");
// save Excel as PDF
book.Save("pdfOutput.pdf", Aspose.Cells.SaveFormat.Auto); 
// load the PDF file using Document class
var document = new Aspose.Pdf.Document("pdfOutput.pdf");
// save document in PPTX format
document.Save("output.pptx", SaveFormat.Pptx); 

Free Online Converter for Excel to PPTX

What is EXCEL File Format?

Microsoft Excel is a widely used spreadsheet software known for its ability to save and share data in various file formats. The different file formats supported by Excel offer flexibility and compatibility with other software applications.

The default file format in Excel is XLS, while the newer and more efficient XLSX format has gained popularity. XLSX files have advantages such as smaller file sizes, improved data recovery, and better compatibility with other programs.

For simpler data exchange, Excel supports CSV (Comma-Separated Values) and TXT (Plain Text) formats. CSV files use commas to separate data, making them easily readable by different applications. TXT files store plain text data without any formatting.

To preserve formatting and layout when sharing data, Excel allows saving files in the PDF (Portable Document Format) format. PDF files are widely used for publishing Excel data while retaining its visual presentation.

For collaborative projects, Excel offers the ODS (OpenDocument Spreadsheet) format, which is open-source and compatible with various software applications.

DBF (dBASE File) is a less commonly used format in Excel, but it is advantageous for handling large datasets and is compatible with dBASE software.

Excel also supports formats like XLT (Excel Template), XLTX (Excel Open XML Template), XLTM (Excel Macro-Enabled Template), and XML (eXtensible Markup Language) for template usage or data exchange between different software applications.

What is PPTX File Format?

The PPTX file format is the successor to the PPT (PowerPoint Presentation) format and is used by Microsoft PowerPoint, the popular presentation software included in the Microsoft Office suite. PPTX files were introduced with the release of Microsoft Office 2007 and are based on the Open XML file format.

PPTX files store presentations as a collection of individual slides, each containing various elements such as text, images, shapes, charts, tables, and multimedia content. The format uses XML-based encoding, which allows for more efficient storage, improved data recovery, and enhanced compatibility with other software applications.

One of the key advantages of the PPTX format is its smaller file size compared to the older PPT format. This is achieved through improved compression techniques and the elimination of redundant data, resulting in more compact files that are easier to share, transfer, and store.

PPTX files also offer advanced features and capabilities, including support for enhanced formatting options, slide transitions, animations, and embedded multimedia elements. The format allows for greater flexibility in designing and customizing presentations, enabling users to create visually appealing and interactive slideshows.

PPTX files can be opened, edited, and presented using Microsoft PowerPoint or compatible software applications across different platforms, including Windows, macOS, and mobile devices. They can be shared via email, uploaded to cloud storage services, or accessed through collaboration platforms for seamless teamwork and presentation delivery.


  • How can I convert Excel to PPTX Online?
    Online App for Excel conversion is integrated above. To start the conversion process, you can either drag and drop your Excel file or click inside the designated area to import the document. Next, click on the "Convert" button to initiate the Excel to PPTX conversion. Once the process is complete, you can easily download your converted file with just one click, obtaining your desired output in the PPTX format.
  • How long does it take to convert Excel?
    The speed of this online converter is fast, but it primarily relies on the size of the Excel file. If you have a small Excel file, it can be converted to PPTX in just a few seconds. Additionally, if you've integrated the conversion code into your .NET application, the conversion process speed depends on how well you've optimized your application.
  • Is it safe to convert Excel to PPTX using free Aspose.Total converter?
    Of course! After the Excel to PPTX conversion process is completed, the download link for the PPTX files is generated immediately. We prioritize the security of your files, that's why all uploaded files are deleted after 24 hours and the download links stop working after that period. You can be confident that your files are safe during the conversion process, including Excel files. Above free app is for testing purposes, allowing you to check the result before integrating the code.
  • What browser should I use to convert Excel?
    You have the flexibility to use any up-to-date web browser for online Excel to PPTX conversion, such as Google Chrome, Firefox, Opera, Safari. However, if you are building a desktop application, you can seamlessly integrate Aspose.Total Excel Conversion API.

Explore EXCEL Conversion Options with .NET

Convert EXCEL to DOC (Microsoft Word Binary Format)
Convert EXCEL to DOCX (Office 2007+ Word Document)
Convert EXCEL to POWERPOINT (Presentation Files)
Convert EXCEL to WORD (WordProcessing File Formats)