Convert XLS to XLTX via C#
Export Excel spreadsheets to XLTX format on .NET Framework, .NET Core or Mono Platforms.
Convert XLS to XLTX Using C#
With Aspose.Cells for .NET library, you can easily convert XLS to XLTX programmatically with a few lines of code. Aspose.Cells for .NET is capable of building cross-platform applications with the ability to generate, modify, convert, render and print all Excel files. .NET Excel API not only convert between spreadsheet formats, it can also render Excel files as images, PDF, HTML, ODS, CSV, SVG, JSON, WORD, PPT and more, thus making it a perfect choice to exchange documents in industry-standard formats. Open NuGet package manager, search for Aspose.Cells and install. You may also use the following command from the Package Manager Console.
Package Manager Console Command
PM> Install-Package Aspose.Cells
Before running the .NET conversion example code, make sure that you have the following prerequisites.
- Microsoft Windows or a compatible OS with .NET, .NET Core, Windows Azure or Mono Platforms..
- Development environment like Microsoft Visual Studio.
- Add reference to the Aspose.Cells for .NET DLL in your project.
How to Convert XLS to XLTX via C#
.NET developers can easily load & convert XLS files to XLTX in just a few lines of code.
- Load XLS file with an instance of Workbook
- Convert XLS to XLTX by calling Workbook.Save method
XLS What is XLS File Format
Files with XLS extension represent Excel Binary File Format. Such files can be created by Microsoft Excel as well as other similar spreadsheet programs such as OpenOffice Calc or Apple Numbers. File saved by Excel is known as Workbook where each workbook can have one or more worksheets. Data is stored and displayed to users in table format in worksheet and can span numeric values, text data, formulas, external data connections, images, and charts. Applications like Microsoft Excel lets you export workbook data to several different formats including PDF, CSV, XLSX, TXT, HTML, XPS, and several others. The XLS file format was replaced with a more open and structured format, XLSX, with the release of Microsoft Excel 2007. The latest versions still provide support for creating and reading XLS files, though XLSX is the first choice of use now.Read More
XLTX What is XLTX File Format
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.Read More
Other Supported Conversions
You can also convert XLS into many other file formats including few listed below.