The C# Excel Library

Go beyond basic spreadsheet editing. Get full control over workbooks, formulas, and charts for .NET 10 without Office Interop.

Create and edit excel files, formulas, charts, & images

Style cells, borders, fonts, and add hyperlinks

Compatible with XLSX, XLS, CSV, TSV, XML, & DataTables

Free 30-day trial, full features, no credit card

Read Excel Files without Interop See All 28 Code Examples

using IronXL;
using System;
using System.Linq;

// Supported for XLSX, XLS, XLSM, XLTX, CSV and TSV
WorkBook workBook = WorkBook.Load("sample.xlsx");

// Select worksheet at index 0
WorkSheet workSheet = workBook.WorkSheets[0];

// Get any existing worksheet
WorkSheet firstSheet = workBook.DefaultWorkSheet;

// Select a cell and return the converted value
int cellValue = workSheet["A2"].IntValue;

// Read from ranges of cells elegantly.
foreach (var cell in workSheet["A2:A10"])
{
    Console.WriteLine("Cell {0} has value '{1}'", cell.AddressString, cell.Text);
}

// Calculate aggregate values such as Min, Max and Sum
decimal sum = workSheet["A2:A10"].Sum();

// Linq compatible
decimal max = workSheet["A2:A10"].Max(c => c.DecimalValue);

Install-Package IronXL.Excel

Next Step: Start Free Trial

Fully functional without watermarks

30-day trial - no credit card required

Next Step: Start Free Trial

Fully functional without watermarks

30-day trial - no credit card required

PM > Install-Package IronXL.Excel

IronXL

See what’s new:

5–10x faster cell range

Cross Platform Support

Designed for C#, F#, & VB.NET running on .NET 10, 9, 8, 7, 6, 5, Core, Standard, or Framework

.NET Versions:

C#, VB.NET, F# Languages
.NET Core (10, 9, 8, 7, 6, 5, and 3.1+)
.NET Standard (2.0+)
.NET Framework (4.6.2+)

OS & Processors:

Windows (x64, x86)
Mac (x64, ARM)
Linux (x64)

.NET Project Types:

Web (Blazor & WebForms)
Desktop (WPF & MAUI)
Console (App & Library)

App Environments:

Windows (10+, Server 2016+)
Linux (Ubuntu, Debian, CentOS, etc.)
Mac (macOS 10+)
Docker (Windows, Linux, Azure)
Azure (VPS, WebApp, Function)
AWS (EC2, Lambda)

IDEs:

Microsoft Visual Studio
Jetbrains ReSharper & Rider

Binary Certification

DigiCert Signed Binaries

A C# Excel Library that prioritizes accuracy, ease of use, and speed.

IronXL is the leading C# Excel library for generating and editing Excel documents in .NET. Its user friendly API allows developers to add Excel functionality to .NET projects in minutes.

Get your free 30-day Trial Key instantly.

Your trial key should be in the email.
If it is not, please contact
support@ironsoftware.com

The Excel API you need, without the Office Interop hassle.

View Full Features Set

Trusted by millions of engineers worldwide

Every time developers ask, it's a YES! from IronPDF

switch(faqQuestions)
{ 
    case "Can I deploy my application using the library to Linux, macOS, or Windows, including Docker containers?": return "YES";
    case "Can I render pixel-perfect PDFs from complex HTML5, CSS3, and JavaScript?": return "YES";
    case "Is the library thread-safe for use in highly concurrent, multi-threaded server applications and APIs?": return "YES";
    case "Can I set custom viewport dimensions and print media CSS to control responsive layouts?": return "YES";
    case "Is IronPDF compatible with Azure Functions?": return "YES";
    case "Can I permanently redact sensitive text and images from PDF documents?": return "YES";
    case "Can I generate a PDF from a URL that requires authentication via custom headers, cookies, or form logins?": return "YES";
    case "Can I access PDF DOM through ObjectModel property?": return "YES";
    case "Can I programmatically fill, read, and flatten interactive AcroForm?": return "YES";
    case "Does it support generating PDF/A and PDF/UA compliant documents for archiving and accessibility standards?": return "YES";
    case "Can I secure a document with 256-bit AES password encryption and set user permissions?": return "YES";
    case "Can I apply and verify digital signatures on a PDF using X.509 certificates?": return "YES";
    case "Can I test IronPDF in my live project for free now?": return "YES, click here to start your 30-day free trial";
}

Does IronXL allow reading, creating, and editing Excel files without requiring Microsoft Office or Excel Interop to be installed on the server?YES!

Can I natively handle multiple spreadsheet formats, including XLS, XLSX, CSV, TSV, and JSON, within a single API?YES!

Is there built-in support for converting Worksheets directly to and from System.Data.DataTable and DataSet objects for seamless database integration?YES!

Does the library support adding, modifying, and recalculating formulas dynamically when cell data changes?YES!

Can I programmatically apply granular styling, including custom fonts, borders, cell alignment, background patterns, and number formats?YES!

Is the library fully cross-platform, compatible with .NET Core, .NET Standard, and Framework on Windows, Linux, macOS, Docker, and Azure?YES!

Does it allow opening, editing, and saving password-protected (encrypted) spreadsheets?YES!

Can I perform range operations like sorting, trimming, grouping, and merging cells programmatically?YES!

Are there specific functions to export Sheet data directly to generic formats like XML and JSON for web API consumption?YES!

Can I manipulate metadata, freeze panes, and set print areas or page setups for printing configuration?YES!

Does it support fast bulk editing and cell addressing using standard Excel notation (e.g., "A1:B10")?YES!

Can I test IronXL in my live project for free now?YES! Click here to start your 30-day free trial