Convert XLSX to XLS via C#
Export Excel spreadsheets to XLS format on .NET Framework, .NET Core, Mono or Xamarin Platforms.
How to Convert XLSX to XLS Using C#
In order to convert XLSX to XLS, we will use Aspose.Cells for .NET API which is a feature-rich, powerful and easy to use document manipulation and conversion API for C# platform. 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
Steps to Convert XLSX to XLS via C#
.NET developers can easily load & convert XLSX files to XLS in just a few lines of code.
- Load XLSX file with an instance of Workbook
- Call the Workbook.Save method
- Pass output path with XLS extension as parameter
- Check specified path for resultant XLS file
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, Mono or Xamarin Platforms..
- Development environment like Microsoft Visual Studio.
- Add reference to the Aspose.Cells for .NET DLL in your project.
XLSX What is XLSX File Format
XLSX is well-known format for Microsoft Excel documents that was introduced by Microsoft with the release of Microsoft Office 2007. Based on structure organized according to the Open Packaging Conventions as outlined in Part 2 of the OOXML standard ECMA-376, the new format is a zip package that contains a number of XML files. The underlying structure and files can be examined by simply unzipping the .xlsx file.Read More
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
Other Supported Conversions
You can also convert XLSX into many other file formats including few listed below.