Convert EXCEL to XLSX in C#
High-speed C# library for converting EXCEL to XLSX. This is a professional software solution to import and export EXCEL, XLSX, and many other formats on .NET Framework, .NET Core or Mono Platforms.
Convert EXCEL to XLSX Using C#
How do I convert EXCEL to XLSX? With Aspose.Cells for .NET library, you can easily convert EXCEL to XLSX 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 EXCEL to XLSX in C#
The following example demonstrates how to convert EXCEL to XLSX in C#.
Follow the easy steps to convert EXCEL to XLSX. Upload your EXCEL file, then simply save it as XLSX file. For both EXCEL reading and XLSX writing you can use fully qualified filenames. The output XLSX content and formatting will be identical to the original EXCEL document.
using Aspose.Cells;
var workbook = new Workbook("Input.xlsx");
workbook.Save("Output.pdf");
How to Convert EXCEL to XLSX via C#
Need to convert EXCEL files to XLSX programmatically? .NET developers can easily load & convert EXCEL to XLSX in just a few lines of code.
- Install ‘Aspose.Cells for .NET’.
- Add a library reference (import the library) to your C# project.
- Load EXCEL file with an instance of Workbook.
- Convert EXCEL to XLSX by calling Workbook.Save method.
- Get the conversion result of EXCEL to XLSX.
C# library to convert EXCEL to XLSX
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.
EXCEL What is EXCEL 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 MoreXLSX 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 MoreOther Supported Conversions
You can also convert EXCEL to many other file formats including few listed below.