A high-performance and feature-rich WinUI Excel framework to work with Microsoft Excel documents. This framework has an Excel creation and editing library that allows you to create, read, and edit Microsoft Excel files. Its powerful conversion APIs make it easy to convert Excel files to HTML, images, and more.
There are no distribution fees, or royalties, which makes Excel Library very cost-effective.
Optimized for usage across platforms, where speed and low memory usage are critical.
All the elements in a typical Excel document such as text, formatting, images, shapes, and tables are accessible through a comprehensive set of APIs.
Syncfusion Excel Library (Essential XlsIO) is a mature and proven product, having evolved over 13+ years.
Syncfusion Excel Library comes with extensive documentation, knowledge base, and samples.
Use a single API across all platforms.
Syncfusion Excel Library (Essential XlsIO) is a high-performance WinUI Excel framework that allows users to create, read, edit, and protect Excel documents in WinUI applications without Microsoft Office or interop dependencies.
Import data from various data sources, collection objects, and HTML tables. Also, export data to data tables, collection objects, and nested classes.
Excel Library supports 80+ chart types to visualize data. Similarly, sparklines are supported to visualize data within a cell.
More than 400 Excel functions are supported to evaluate formula cells quickly. Similarly, add-in functions, external formulas, and an array of formulas are supported.
Import data to Excel worksheets like mail merge in a Word document. Customized data importing is also supported.
Use various cell and text formatting options along with advanced conditional formatting features.
Perform various kinds of data processing such as data validation, sorting, and filtering.
Pivot tables and pivot charts are widely used features in spreadsheets due to their ease-of-use in summarizing data. Syncfusion Excel Library allows you to create and edit them with just a few lines of code.
Encrypt or decrypt password-protected Excel files. Also, protect the editing of workbooks, worksheets, and cells.
Create and edit various form controls, autoshapes, and comments.
Easily get started with the WinUI Excel Library using a few simple lines of C# code example as demonstrated below. Also explore our WinUI Excel Library Example that shows you how to render and configure the WinUI Excel.
.NET 
Blazor 
.NET Core 
.NET MAUI 
Xamarin 
UWP //Create an instance of ExcelEngine
using (ExcelEngine excelEngine = new ExcelEngine())
{
//Instantiate the Excel application object
IApplication application = excelEngine.Excel;
//Set the default application version
application.DefaultVersion = ExcelVersion.Xlsx;
//Load the existing Excel document into IWorkbook
Assembly executingAssembly = typeof(App).GetTypeInfo().Assembly;
Stream inputStream = executingAssembly.GetManifestResourceStream("WinUISample.Sample.xlsx");
IWorkbook workbook = application.Workbooks.Open(inputStream);
//Get the first worksheet in the workbook into IWorksheet
IWorksheet worksheet = workbook.Worksheets[0];
//Assign some text in a cell
worksheet.Range["A3"].Text = "Hello World";
//Save the document as stream
MemoryStream stream = new MemoryStream();
workbook.SaveAs(stream);
//Custom method that saves the memory stream as a file
Save(stream, "Output");
}Unlock the power of Excel creation and manipulation on any platform with our Excel Framework. It empowers you to easily create, read, and manipulate Excel documents programmatically across various platforms (applications), including .NET, Blazor, .NET MAUI, .NET Core, Flutter, WinUI, Xamarin, and UWP. Explore the platform-wise features of our Excel creation and manipulation library.
Convert an Excel workbook or worksheet to PDF format. Various customization options are provided, like embedding fonts, ignoring empty pages or worksheets, and showing or hiding headers and footers.
Worksheets can be converted to BMP, JPEG, PNG, and other image formats with content such as data, formatting, charts, tables, and shapes.
Convert spreadsheet data to CSV and TSV formats with their widely used, lightweight reports.
Dynamically render an Excel workbook or worksheet as an HTML file.
Save Excel files in ODS formats to use in various applications like OpenOffice and Google Sheets.
SpreadsheetML is easy to work with and designed to be human-readable and editable. Convert Excel files to SpreadsheetML with Syncfusion Excel Library.
Convert an Excel workbook or worksheet to a JSON file in schema and non-schema formats.
The Syncfusion WinUI Excel library provides the following features:
No, this is a commercial product and requires a paid license. However, a free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue, 5 or fewer developers, and 10 or fewer total employees.
A good place to start would be our comprehensive getting started documentation.
Apart from WinUI, the Syncfusion Excel framework supports platforms for web (Blazor, Flutter, ASP.NET Core, ASP.NET MVC, and ASP.NET Web Forms), mobile (.NET MAUI, Flutter, Xamarin, and UWP), and desktop (Windows Forms, WPF, .NET MAUI, Flutter, Xamarin, and UWP).
You can find our Excel Framework demo, which demonstrates how to render and configure the WinUI Excel.
Greatness—it’s one thing to say you have it, but it means more when others recognize it. Syncfusion® is proud to hold the following industry awards.
Flutter 
WinUI 
