Convert POTX to XLTX via C#

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


By using Aspose.Total for .NET you can convert POTX file to XLTX within any .NET, C#, ASP.NET and VB.NET application in two simple steps. Firstly, by using Aspose.Slides for .NET , you can export POTX to HTML. After that, by using Aspose.Cells for .NET Spreadsheet Programming API, you can convert HTML to XLTX.

How to Convert POTX to XLTX via C#

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

POTX File Conversion in C#

For POTX 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 .

Convert Protected POTX to XLTX via C#

While converting POTX file to XLTX, if your input POTX 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 POTX to XLTX with Watermark via C#

While converting POTX 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.

Other Conversion Options

POTX TO XLSM (Macro-enabled Spreadsheet)
POTX TO XLT (Excel 97 - 2003 Template)
POTX TO ODS (OpenDocument Spreadsheet)
POTX TO CSV (Comma Seperated Values)
POTX TO SXC (StarOffice Calc Spreadsheet)
POTX TO DIF (Data Interchange Format)
POTX TO XLSX (Open XML Workbook)
POTX TO XLAM (Excel Macro-Enabled Add-In)
POTX TO XLS (Microsoft Excel Spreadsheet (Legacy))
POTX TO TSV (Tab Seperated Values)
POTX TO XLSB (Excel Binary Workbook)
POTX TO FODS (OpenDocument Flat XML Spreadsheet)
POTX TO MHTML (Web Page Archive Format)
POTX TO XLTM (Excel Macro-Enabled Template)
POTX TO DOC (Microsoft Word Binary Format)
POTX TO DOCX (Office 2007+ Word Document)
POTX TO DOCM (Microsoft Word 2007 Marco File)
POTX TO DOT (Microsoft Word Template Files)
POTX TO DOTM (Microsoft Word 2007+ Template File)
POTX TO DOTX (Microsoft Word Template File )
POTX TO ODT (OpenDocument Text File Format)
POTX TO OTT (OpenDocument Standard Format)
POTX TO RTF (Rich Text Format)
POTX TO WORDML (Microsoft Word 2003 WordprocessingML)