C# API to Convert DOCX to XLTM or Online App

Export DOCX to XLTM via C# without using Microsoft® Word or Microsoft® Excel

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


Aspose.Total for .NET is a comprehensive suite of .NET components that enables developers to easily include DOCX to XLTM conversion feature within any .NET, C#, ASP.NET and VB.NET application. This powerful suite of components provides a wide range of features and capabilities, making it the ideal choice for developers who need to quickly and easily add DOCX to XLTM conversion to their applications.

The process of converting DOCX to XLTM with Aspose.Total for .NET is simple and straightforward. It can be accomplished in two easy steps. Firstly, developers can use Aspose.Words for .NET to export DOCX to HTML. This powerful component provides a wide range of features and capabilities, including the ability to convert DOCX to HTML with a single line of code.

Once the DOCX file has been converted to HTML, developers can use Aspose.Cells for .NET to convert the HTML to XLTM. This powerful Spreadsheet Programming API provides a wide range of features and capabilities, including the ability to convert HTML to XLTM with a single line of code.

Overall, Aspose.Total for .NET is an ideal choice for developers who need to quickly and easily add DOCX to XLTM conversion to their applications. With its powerful suite of components, developers can easily and quickly convert DOCX to XLTM in two simple steps.

.NET API to Convert DOCX to XLTM

  1. Open DOCX file using Document class
  2. Convert DOCX to HTML by using Save method
  3. Load HTML document by using Workbook class
  4. Save the document to XLTM format using Save method and set XLTM as SaveFormat

Get Started with .NET File Automation APIs

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 .

Free Online Converter for DOCX to XLTM

Load DOCX Document from Stream via C#

Aspose.Words for .NET also allows you to load DOCX document via stream. To open a document from a stream, simply pass a stream object that contains the document into the Document constructor. The following code example shows how to open a document from a stream:

Add Custom Properties in XLTM File via C#

While converting DOCX to XLTM, Aspose.Cells for .NET enables you to add custom properties in your XLTM documents. In order to add a custom property, you can use Add method for the CustomDocumentPropertyCollection class. The Add method adds the property to the Excel file and returns a reference for the new document property as an Aspose.Cells.Properties.DocumentProperty object.


  • How can I convert DOCX to XLTM Online?
    Online App for DOCX conversion is integrated above. Firstly, you need to add DOCX file for conversion by drag & drop or click inside the white area to import the document. Then click the Convert button. When DOCX to XLTM conversion is completed, you can download your converted file. So You will get output XLTM files with just one click.
  • How long does it take to convert DOCX?
    This online converter works fast but mainly depends on the size of DOCX file. You can render small size DOCX file to XLTM in a few seconds. Moreover, If you have integrated the conversion code within .NET application, It depends on how you have optimized your application for conversion process.
  • Is it safe to convert DOCX to XLTM using free Aspose.Total converter?
    Of course! The download link of XLTM files will be available instantly after conversion. We delete uploaded files after 24 hours and the download links will stop working after this time period. No one has access to your files. File conversion (including DOCX) is absolutely safe. Mainly free app is integrated for the purpose of testing so that one can check the result before integrating the code.
  • What browser should I use to convert DOCX?
    You can use any modern browser for this online conversion, for example, Google Chrome, Firefox, Opera, Safari. But in case you are developing a Desktop application. Aspose.Total DOCX Conversion API will work smooth.

Explore DOCX Conversion Options with .NET

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