Convert POWERPOINT to XLTX via C# or Online App

.NET API for POWERPOINT to XLTX conversion without using Microsoft® Excel or PowerPoint

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Aspose.Total for .NET is a comprehensive suite of .NET components that enables developers to easily create, convert, and manipulate various file formats within their .NET, C#, ASP.NET and VB.NET applications. With Aspose.Total for .NET, you can quickly and easily convert POWERPOINT files to XLTX in just two simple steps.

The first step is to use Aspose.Slides for .NET to export the POWERPOINT file to HTML. Aspose.Slides for .NET is a powerful .NET component that enables developers to create, manipulate, and convert presentations in various file formats. It supports a wide range of features, including the ability to export presentations to HTML.

The second step is to use Aspose.Cells for .NET to convert the HTML to XLTX. Aspose.Cells for .NET is a powerful spreadsheet programming API that enables developers to create, manipulate, and convert spreadsheets in various file formats. It supports a wide range of features, including the ability to convert HTML to XLTX.

With Aspose.Total for .NET, you can easily and quickly convert POWERPOINT files to XLTX in just two simple steps. Aspose.Slides for .NET enables you to export the POWERPOINT file to HTML, and Aspose.Cells for .NET enables you to convert the HTML to XLTX. Aspose.Total for .NET is a comprehensive suite of .NET components that makes it easy to create, convert, and manipulate various file formats within your .NET, C#, ASP.NET and VB.NET applications.

How to Convert POWERPOINT to XLTX via C#

  1. Open POWERPOINT file using Presentation class
  2. Export POWERPOINT as HTML by using Save method
  3. Load HTML document by using Workbook class
  4. Save the document to XLTX using Save method

POWERPOINT File Conversion in C#

For POWERPOINT file to XLTX Conversion in C#, please install the API from the command line as nuget install Aspose.Total or via Package Manager Console of Visual Studio.

Alternatively, get the offline MSI installer or DLLs in a ZIP file from downloads .

Free Online Converter for POWERPOINT to XLTX

Convert Protected POWERPOINT to XLTX via C#

While converting POWERPOINT file to XLTX, if your input POWERPOINT document is password protected you cannot convert it to XLTX without decrypting the document. When your document is password protected, it means it enforces certain restrictions on the presentation. To remove the restrictions, the password has to be entered. A password-protected presentation is considered a locked presentation. The API allows you to open the encrypted document by passing the correct password in a LoadOptions object.

Convert POWERPOINT to XLTX with Watermark via C#

While converting POWERPOINT file to XLTX, you can also add watermark to your output XLTX file format. In order to add a watermark, you can create a new Workbook object and open the converted HTML document, select Worksheet via its index, create a Shape and use its AddTextEffect function. After that you can save your HTML document as XLTX with Watermark.

FAQ

  • How can I convert POWERPOINT to XLTX Online?
    Online App for POWERPOINT conversion is integrated above. To initiate the POWERPOINT to XLTX conversion process, simply add the POWERPOINT file by either dragging and dropping it into the designated area or clicking on it to import the document. Next, click on the "Convert" button. Once the POWERPOINT to XLTX conversion has been completed, you can download the converted file. With just a single click, you will receive your output XLTX files.
  • How long does it take to convert POWERPOINT?
    The speed of this online converter is largely dependent on the size of the POWERPOINT file. If the POWERPOINT file is small in size, the conversion to XLTX can be completed within a few seconds. Additionally, if you have integrated the conversion code within a .NET application, the speed of the conversion process will depend on how well you have optimized your application for this purpose.
  • Is it safe to convert POWERPOINT to XLTX using free Aspose.Total converter?
    Of course! As soon as the POWERPOINT to XLTX conversion is complete, you will have instant access to the download link for the converted XLTX files. Please note that we automatically delete any uploaded files after 24 hours, and the download links will no longer be active after this time period. Your files are completely secure and private, as no one else has access to them. The file conversion process, including POWERPOINT conversion, is absolutely safe to use. We offer this free app primarily for testing purposes so that you can evaluate the results before integrating the code.
  • What browser should I use to convert POWERPOINT?
    This online conversion tool is compatible with any modern browser, such as Google Chrome, Firefox, Opera, or Safari. However, if you are developing a desktop application, the Aspose.Total POWERPOINT Conversion API is a reliable option for smooth integration.

Explore POWERPOINT Conversion Options with .NET

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