Convert XLS to XLTX in C#
High-speed C# library for converting XLS to XLTX. This is a professional software solution to import and export XLS, XLTX, and many other formats on .NET Framework, .NET Core or Mono Platforms.
Aspose.Cells for .NET
Overview
Convert XLS to XLTX Using C#
How do I convert XLS to XLTX? 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
Save XLS to XLTX in C#
The following example demonstrates how to convert XLS to XLTX in C#.
Follow the easy steps to convert XLS to XLTX. Upload your XLS file, then simply save it as XLTX file. For both XLS reading and XLTX writing you can use fully qualified filenames. The output XLTX content and formatting will be identical to the original XLS document.
using Aspose.Cells;
var workbook = new Workbook("Input.xlsx");
workbook.Save("Output.pdf");
How to Convert XLS to XLTX via C#
Need to convert XLS files to XLTX programmatically? .NET developers can easily load & convert XLS to XLTX in just a few lines of code.
- Install ‘Aspose.Cells for .NET’.
- Add a library reference (import the library) to your C# project.
- Load XLS file with an instance of Workbook.
- Convert XLS to XLTX by calling Workbook.Save method.
- Get the conversion result of XLS to XLTX.
C# library to convert XLS to XLTX
There are two alternative options to install “Aspose.Cells for .NET” onto your system. Please choose one that resembles your needs and follow the step-by-step instructions:
- Install a NuGet Package . See Documentation
- Install the library using Package Manager Console within Visual Studio IDE
System Requirements
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.
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 MoreXLTX 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 MoreOther Supported Conversions
You can also convert XLS to many other file formats including few listed below.