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Xceed.Workbooks.NET 3.0.26166.7850

Xceed Workbooks for .NET – Spreadsheet Creation & Excel File Processing for .NET

Xceed Workbooks for .NET is a high-performance .NET library designed for creating, loading, editing, and saving Excel workbooks and spreadsheet files — without needing Microsoft Excel or Office interop.

It gives developers full control over workbook structure, content, formatting, and export — through a simple, intuitive API.

Click the image above to receive a trial license. It unlocks all features of the component. See the Get Started section for details.

Brought to you by Xceed Software, a leader in .NET components for over 25 years.

Features

Spreadsheet Generation & Processing

• Create Excel workbooks from scratch
• Load .xlsx files
• Edit cell values, formulas, formats, and styles
• Insert, copy, move, and delete worksheets
• Apply borders, fills, and alignments
• Set column widths, row heights, and merge cells
• Protect sheets and lock/unlock specific ranges

Export & Save Options

• Save as .xlsx
• Export for use in Microsoft Excel and other spreadsheet apps
• Stream to memory or save directly to disk

Performance

• Optimized for high-speed data manipulation
• Lightweight and dependency-free

Compatibility

• .NET Framework 4.0 and later
• .NET 5 and later
• Runs on Windows, macOS, and Linux
• Works in desktop, web, and cloud environments
• Integrates with ASP.NET and Blazor applications

Supported File Formats

Read & Write

• .xlsx – Microsoft Excel Open XML

Convert Workbooks To

• .xlsx – Microsoft Excel Open XML

Feature Overview

Get Started

Xceed Workbooks for .NET gives you the building blocks to create and manipulate Excel workbooks and spreadsheets using code.

Install via NuGet:

dotnet add package Xceed.Workbooks.NET

Add the license key in your application code before starting to use the component’s classes:

static void Main( string[] args )
{
 Xceed.Workbooks.NET.Licenser.LicenseKey = "WBNXX-XXXXX-XXXXX-XXXX";
 
 Workbook workbook = Workbook.Create( "MyWorkbook.xlsx" );
 /* ... */
}

Read the full documentation licensing article here.

Code Example

using Xceed.Workbooks.NET;

// Create a new workbook
var workbook = new Workbook();

// Add a worksheet
var sheet = workbook.AddWorksheet("Inventory");

// Set header row
sheet.Cells[0, 0].Value = "Item";
sheet.Cells[0, 1].Value = "Quantity";
sheet.Cells[0, 2].Value = "Price";

// Add some data
sheet.Cells[1, 0].Value = "Keyboard";
sheet.Cells[1, 1].Value = 10;
sheet.Cells[1, 2].Value = 49.99;

sheet.Cells[2, 0].Value = "Mouse";
sheet.Cells[2, 1].Value = 20;
sheet.Cells[2, 2].Value = 19.99;

// Save to file
workbook.Save("inventory.xlsx");

More from Xceed

Xceed offers additional high‑quality libraries for .NET developers.

Xceed PDF Library for .NET

Create, load, edit, and save PDF documents without requiring Adobe Acrobat or Microsoft Office.

Xceed Words for .NET

Create, edit, convert, and secure Word documents without requiring Microsoft Office.

Documentation and Resources