IronXL for .NETIronXL for .NET

Iron SoftwareSpreadsheet Controls.NET
Version 2026.x (Jul 31, 2026)(2)

Create and manipulate Excel documents effortlessly in .NET.

  • Create, read, and edit Excel (XLSX, XLS, CSV) files programmatically.
  • Work with formulas, cell data, and workbook structures.
  • Convert Excel data to and from CSV and other tabular formats.
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IronXL for .NET is a spreadsheet processing library that enables developers to create, read, edit, and manage Excel files within .NET applications. It provides APIs for working with workbook structures, cell data, formulas, and formatting, allowing applications to generate and process spreadsheets programmatically without requiring Microsoft Office Interop.

Excel File Creation and Editing

Create new Excel spreadsheets and modify existing files programmatically, enabling applications to generate, update, and maintain workbook content dynamically without requiring manual interaction with spreadsheet software.

Cell and Range Data Operations

Read, write, and manipulate individual cells and ranges within worksheets, providing fine-grained control over spreadsheet data for calculations, updates, and structured data management within applications.

Formula Calculation Support

Apply, evaluate, and recalculate Excel formulas directly within spreadsheets, allowing applications to perform calculations and maintain accurate results without relying on external spreadsheet tools.

Worksheet and Workbook Management

Add, remove, rename, and organize worksheets within workbooks, giving developers full control over spreadsheet structure and enabling dynamic organization of data across multiple sheets.

Data Import from Collections

Import structured data from DataTables, collections, and objects directly into Excel worksheets, enabling efficient population of spreadsheets from application data sources and supporting automated reporting and data export scenarios.

Data Export

Export spreadsheet data to formats such as CSV, enabling integration with external systems, data pipelines, and reporting tools that require structured data extracted from Excel files.

Styling and Formatting

Customize cell appearance using fonts, colors, borders, alignment, and styles, allowing applications to control how spreadsheet content is presented and ensuring consistent formatting across generated documents.

Sorting and Filtering

Sort and filter worksheet data programmatically to organize information, making it easier to analyze, present, and extract relevant data from spreadsheets within application workflows.

Excel Format Support

Work with common Excel file formats including XLSX, XLS, and CSV, enabling applications to read, create, and update spreadsheets across widely used file types.

Table Creation and Management

Create and manage structured tables within worksheets, allowing applications to organize data into rows and columns with clear structure suitable for reporting, analysis, and presentation.

Product Compatibility

Review the details below to ensure this product is supported within your environment.

Component Type

  • .NET

.NET Version

  • .NET 10 LTS
  • .NET 9 STS
  • .NET 8 LTS
  • .NET 7 STS
  • .NET 6 LTS
  • .NET 5 / .NET Core 3.1
  • .NET 4.8 or earlier

.NET Platform

  • .NET Assembly
  • .NET Class
  • .NET Core 3.1 Assembly

IDE Support

  • Visual Studio