Convert XLTX to XLSX

Files with XLTX extension represent Microsoft Excel Template files that are based on the Office OpenXML file format specifications. It is used to create a standard template file that can be utilized to generate XLSX files that exhibit the same settings as specified in the XLTX file.

Steps to convert XLTX to XLSX in C#

GroupDocs.Conversion allows developers to convert the XLTX file to XLSX format in an easy and intuitive way just using a few lines of code as described below:

  • Create an instance of Converter class and pass source XLTX file path as a constructor parameter. You may specify absolute or relative file path as per your requirements.
  • Create an instance of SpreadsheetConvertOptions class.
  • Call Converter class Convert method and pass the filename for the converted XLSX file and the SpreadsheetConvertOptions object from the previous step as parameters.
// Load the source XLTX file
using (var converter = new GroupDocs.Conversion.Converter("sample.xltx"))
{
    // Set the convert options for XLSX format
   var options = new SpreadsheetConvertOptions();
    // Convert to XLSX format
    converter.Convert("converted.xlsx", options);
}

Code Examples

Please find more use-cases and complete C# sources of our backend and frontend examples and try them for free!

XLTX to XLSX Live Demo

GroupDocs.Conversion for .NET provides an online XLTX to XLSX converter, which allows you to try it for free and check conversion quality and accuracy.

“Convert XLTX to XLSX”