# IronXL > IronXL is a .NET library for creating, editing, and managing Excel files in C# and VB.NET applications without requiring Microsoft Excel. ## Documentation ### Overview - [Get Started Overview](https://ironsoftware.com/csharp/excel/docs/): This web page provides comprehensive documentation on using the IronXL library for reading, writing, and exporting Excel files in C# and other .NET languages, including installation instructions, code examples, and platform compatibility details. ### Getting Started - [Deploying to AWS](https://ironsoftware.com/csharp/excel/get-started/aws/): This page provides guidance on using IronXL to support AWS Lambda Functions with .NET Core, offering code examples and links to resources for integrating AWS Toolkit into Visual Studio to create Lambda Function Projects. - [Deploying to Azure](https://ironsoftware.com/csharp/excel/get-started/azure/): This webpage provides a comprehensive guide on integrating IronXL with Azure, detailing steps for installation, performance recommendations, framework compatibility, and official support for Azure Functions, including a Docker tutorial and a code example. - [Read Excel Files in Blazor](https://ironsoftware.com/csharp/excel/get-started/blazor-read-excel-file-tutorial/): This page provides a comprehensive tutorial on how to read Excel files in a Blazor server-side application using the IronXL C# library, without relying on Interop. - [Work with Excel in C# without Interop](https://ironsoftware.com/csharp/excel/get-started/c-sharp-excel-interop/): This web page provides a guide on using IronXL as an alternative to C# Excel Interop for reading, creating, and modifying Excel files, eliminating the need for Interop. - [Setup in Docker](https://ironsoftware.com/csharp/excel/get-started/docker/): This webpage provides a comprehensive guide on setting up and running Excel applications using IronXL within Docker containers, offering step-by-step instructions for developers. - [Using License Keys](https://ironsoftware.com/csharp/excel/get-started/license-keys/): This page provides detailed instructions on obtaining, applying, and verifying IronXL license keys for C# applications, ensuring proper deployment and compliance without restrictions or watermarks. - [Use on Linux](https://ironsoftware.com/csharp/excel/get-started/linux/): This web page provides a comprehensive guide on setting up, configuring, and running Excel operations using IronXL in a Linux environment. - [Use on macOS](https://ironsoftware.com/csharp/excel/get-started/macos/): This web page provides a comprehensive guide on implementing IronXL for macOS, enabling C# developers to create, read, and manage Excel files with .NET Core and .NET 5 projects on macOS seamlessly. - [Work with Excel on .NET MAUI](https://ironsoftware.com/csharp/excel/get-started/read-create-excel-net-maui/): This web page provides a comprehensive guide on how to create, read, and edit Excel files in .NET MAUI applications using C# without relying on Interop, specifically tailored for Windows machines. - [Work with VB.NET Excel Files](https://ironsoftware.com/csharp/excel/get-started/vb-net-excel-files/): This web page provides a tutorial on reading and creating Excel files in VB.NET using IronXL, without relying on Interop, complete with code examples and step-by-step instructions. ### How-To Guides - [Add Comment](https://ironsoftware.com/csharp/excel/how-to/add-comment/): This web page provides a comprehensive guide on adding, editing, and removing comments in Excel cells using the IronXL C# library, offering code examples and step-by-step instructions. - [Add, Extract, and Remove Images](https://ironsoftware.com/csharp/excel/how-to/add-extract-remove-worksheet-images/): This web page provides a comprehensive guide on how to add, extract, and remove images from Excel worksheets using the IronXL library in C#, enhancing user control over image manipulation without relying on Interop. - [Freeze Panes](https://ironsoftware.com/csharp/excel/how-to/add-freeze-panes/): This web page provides a comprehensive guide on adding freeze panes in Excel using IronXL with C#, detailing step-by-step instructions and code examples to lock rows and columns for better data navigation without utilizing Interop. - [Add Rows and Columns](https://ironsoftware.com/csharp/excel/how-to/add-rows-columns/): This web page provides a tutorial on using the IronXL library to insert rows and columns into Excel spreadsheets using C# without relying on Office Interop, including step-by-step instructions and code examples. - [Read Excel Files in ASP.NET Web Apps](https://ironsoftware.com/csharp/excel/how-to/asp-net-mvc-read-excel-file/): This web page provides a tutorial for developers on how to read Excel files in ASP.NET MVC applications using the IronXL library, detailing the installation process, code examples, and steps to display data on a webpage. - [Autosize Rows and Columns](https://ironsoftware.com/csharp/excel/how-to/autosize-rows-columns/): This web page provides a guide on using IronXL in C# to automatically resize Excel rows and columns for improved readability, without relying on Interop. - [Background Pattern & Color](https://ironsoftware.com/csharp/excel/how-to/background-pattern-color/): This web page provides a tutorial on using IronXL in C# to set and customize background patterns and colors in Excel spreadsheets, enhancing data visualization and highlighting key information. - [Cell Border & Alignment](https://ironsoftware.com/csharp/excel/how-to/border-alignment/): This web page provides a guide on setting cell borders and alignments in Excel using the IronXL library in C#, offering a solution that does not rely on Interop. - [Export to Excel in C#](https://ironsoftware.com/csharp/excel/how-to/c-sharp-export-to-excel/): This page provides a comprehensive, step-by-step tutorial with code examples on how to export data to Excel using C# in IronXL, ideal for developers looking to integrate Excel functionalities into their C# projects. - [Open Excel Worksheets in C#](https://ironsoftware.com/csharp/excel/how-to/c-sharp-open-excel-worksheet/): This page provides a tutorial on how to use C# to open Excel worksheets, featuring detailed instructions and code examples for integrating Excel functionalities into .NET projects using IronXL. - [Read XLSX File C#](https://ironsoftware.com/csharp/excel/how-to/c-sharp-read-xlsx-file/): This web page provides a detailed tutorial on reading XLSX files in C# using IronXL, demonstrating how to access and manipulate WorkBooks without relying on Interop services. - [Cell Font and Size](https://ironsoftware.com/csharp/excel/how-to/cell-font-size/): This web page provides a tutorial on using IronXL in C# to change cell font and size in Excel spreadsheets without relying on Interop, guiding users through customizing text appearance effectively. - [Clear Cell](https://ironsoftware.com/csharp/excel/how-to/clear-cells/): This web page provides a comprehensive guide on how to clear cell contents in Excel using the IronXL library in C#, offering step-by-step instructions and code examples for removing data without using Interop. - [Conditional Formatting](https://ironsoftware.com/csharp/excel/how-to/conditional-formatting/): This web page provides a tutorial on applying conditional formatting to Excel cells using the IronXL library, offering a guide without relying on Interop. - [Convert Spreadsheet File Types](https://ironsoftware.com/csharp/excel/how-to/convert-spreadsheet-file-types/): This web page provides a comprehensive guide on converting Excel files to CSV, TSV, JSON, XML, or HTML using IronXL in C#. - [Copy Cell](https://ironsoftware.com/csharp/excel/how-to/copy-cells/): This web page provides a comprehensive tutorial on how to copy and paste cell ranges in Excel using IronXL in C#, including examples for duplicating data, formulas, and styling across worksheets. - [Create Spreadsheets](https://ironsoftware.com/csharp/excel/how-to/create-spreadsheet/): This web page provides a comprehensive guide on creating new spreadsheets using .NET C# with IronXL, detailing steps to download the library, create XLSX or XLS files, and configure workbook creation options. - [Convert XLSX to CSV, JSON, XML](https://ironsoftware.com/csharp/excel/how-to/csharp-convert-xlsx-to-csv/): This web page provides a detailed guide on converting XLSX files to CSV and other formats using C#, without the need for Excel, utilizing IronXL library. - [Create Excel Charts in C#](https://ironsoftware.com/csharp/excel/how-to/csharp-create-excel-chart-programmatically/): This web page provides a step-by-step guide on how to programmatically create Excel charts using C# and IronXL, suitable for developers seeking to automate chart creation. - [Convert a Data Table to CSV](https://ironsoftware.com/csharp/excel/how-to/csharp-datatable-to-csv/): This web page provides a guide on converting a DataTable to a CSV file using C# with IronXL, eliminating the need for Interop. - [Edit Excel Files in C#](https://ironsoftware.com/csharp/excel/how-to/csharp-edit-excel-file/): This page provides a comprehensive tutorial on editing Excel files using C# without relying on Interop, covering tasks such as editing, replacing, and removing cells, rows, and worksheets. - [Create and Edit Charts](https://ironsoftware.com/csharp/excel/how-to/csharp-excel-chart-create-edit-tutorial/): This web page provides a tutorial on creating and editing Excel charts using C# with the IronXL library, without relying on Interop, and includes steps for configuring and downloading the necessary tools from NuGet. - [Merge and Unmerge Cells](https://ironsoftware.com/csharp/excel/how-to/csharp-excel-merge-cells/): This webpage provides a comprehensive guide on how to programmatically merge and unmerge cells in Excel using the IronXL library in C#, including detailed instructions, code examples, and demonstrations. - [Import Excel Data in C#](https://ironsoftware.com/csharp/excel/how-to/csharp-import-excel/): This web page provides a comprehensive tutorial on importing Excel files into C# applications using the IronXL library, without relying on Interop, covering techniques like cell and range data extraction. - [Read a CSV in C#](https://ironsoftware.com/csharp/excel/how-to/csharp-read-csv-file/): This web page provides a tutorial on reading CSV files in C# using IronXL, offering code examples and challenges to find efficient methods without using Interop. - [Write CSV in .NET](https://ironsoftware.com/csharp/excel/how-to/csharp-write-to-csv-file/): This webpage provides a step-by-step tutorial on using C# with the IronXL library to convert and save Excel data into CSV file format, including code examples and installation instructions. - [Edit Formulas](https://ironsoftware.com/csharp/excel/how-to/edit-formulas/): This web page provides a guide on editing and retrieving results of formulas in Excel worksheets using .NET C# with the IronXL library, including instructions on downloading the library from NuGet. - [Edit Workbook Metadata](https://ironsoftware.com/csharp/excel/how-to/edit-workbook-metadata/): This web page provides a comprehensive guide on editing Excel workbook metadata using the IronXL library in C#, detailing steps for modifying document properties without Office Interop. - [Import and export as DataSet](https://ironsoftware.com/csharp/excel/how-to/export-dataset-datatable/): The web page provides a comprehensive guide on using IronXL to import and export Excel files as DataSet and DataTable in .NET C#, along with code examples and steps to get started with the library from NuGet. - [Group and Ungroup](https://ironsoftware.com/csharp/excel/how-to/group-and-ungroup-rows-columns/): This web page provides a comprehensive guide on how to programmatically group and ungroup rows and columns in Excel using IronXL in C#, including step-by-step instructions and code examples. - [Set Hyperlink](https://ironsoftware.com/csharp/excel/how-to/hyperlinks/): This web page provides a comprehensive guide on creating various types of hyperlinks in Excel using IronXL in C#, without relying on Interop, to enhance spreadsheet interactivity and navigation. - [Load Spreadsheets](https://ironsoftware.com/csharp/excel/how-to/load-spreadsheet/): This page provides a comprehensive guide on how to load and edit existing Excel spreadsheets in .NET C# projects using the IronXL library, covering supported file formats, methods for loading data, and examples for practical implementation. - [Manage Worksheet](https://ironsoftware.com/csharp/excel/how-to/manage-worksheet/): This web page provides a comprehensive guide on managing Excel worksheets using IronXL in C#, detailing how to add, rename, and delete worksheets without using Interop. - [Math Functions](https://ironsoftware.com/csharp/excel/how-to/math-functions/): This web page provides a guide on using math functions in Excel with IronXL for C# developers, highlighting methods like Sum, Average, Min, and Max to perform calculations and analyze data without requiring Interop. - [Named Range](https://ironsoftware.com/csharp/excel/how-to/named-range/): This web page provides a comprehensive tutorial on creating, retrieving, and removing named ranges in Excel using the IronXL library in C#, offering code examples and instructions for efficient management of cell references. - [Named Table](https://ironsoftware.com/csharp/excel/how-to/named-table/): This web page provides a comprehensive guide on how to create, manage, and retrieve named tables in Excel using the IronXL library in C#, including code examples and step-by-step instructions. - [Select Range](https://ironsoftware.com/csharp/excel/how-to/select-range/): This web page provides a comprehensive guide on selecting and manipulating cell ranges in Excel using IronXL in C#, including step-by-step instructions and code examples for selecting rows, columns, and combining ranges without using Office Interop. - [Set Cell Data Formats](https://ironsoftware.com/csharp/excel/how-to/set-cell-data-format/): This web page provides a guide on setting cell data formats in Excel using IronXL in C#, offering step-by-step instructions to customize data presentation and validation without relying on Interop. - [Encrypt Workbook with Password](https://ironsoftware.com/csharp/excel/how-to/set-password-workbook/): This webpage from IronXL provides a detailed guide on how to set, access, and remove passwords for Excel workbooks using C# without the need for Interop, ensuring data security through encryption. - [Encrypt Worksheet with Password](https://ironsoftware.com/csharp/excel/how-to/set-password-worksheet/): This web page provides a comprehensive guide on how to set and manage passwords for Excel worksheets using IronXL in C#, allowing users to secure their data with ease. - [Sort Cell Range](https://ironsoftware.com/csharp/excel/how-to/sort-cells/): This web page provides a detailed guide on sorting cell ranges in Excel using IronXL for C# and VB.NET, including methods like SortAscending, SortDescending, and SortByColumn, with examples and code snippets. - [Trim Cell Range](https://ironsoftware.com/csharp/excel/how-to/trim-cell-range/): Provides a guide on using the IronXL library to efficiently trim cell ranges in Excel spreadsheets with C# code, avoiding the use of Office Interop for optimal data processing. - [Write Excel Values in .NET](https://ironsoftware.com/csharp/excel/how-to/write-excel-net/): This web page provides a tutorial and instructions on how to programmatically write Excel files in .NET using the IronXL library. ### Product Updates - [Changelog](https://ironsoftware.com/csharp/excel/product-updates/changelog/): This web page provides detailed information on the latest enhancements, bug fixes, and updates for the IronXL Excel Library, aiding developers in improving their C# spreadsheet applications. - [Milestones: Enhancing](https://ironsoftware.com/csharp/excel/product-updates/milestones-enhancing/): This webpage on Iron Software's site discusses the significant performance and memory efficiency enhancements in the IronXL v2024.12.x update, which include a 40x increase in processing speed and a reduction in memory usage from 19.5 GB to under 1 GB, enabling efficient Excel automation even on lower-spec systems. - [Milestones: Performance](https://ironsoftware.com/csharp/excel/product-updates/milestones-performance/): This web page details the significant performance and memory improvements in the latest IronXL .NET Excel document library release, highlighting key efficiency gains and comparative metrics against previous versions and competitors. - [Milestones](https://ironsoftware.com/csharp/excel/product-updates/milestones/): This page offers a detailed chronology of significant developments and product updates for the IronXL for .NET library, highlighting key milestones and performance improvements since 2023. ### Troubleshooting Guides - [Apply a license key in IronXL](https://ironsoftware.com/csharp/excel/troubleshooting/apply-a-license-key-in-ironxl/): This web page provides a detailed guide on applying a license key in IronXL, including code examples for Python and C#, ensuring proper licensing of the Excel software. - [File Size Limits](https://ironsoftware.com/csharp/excel/troubleshooting/file-size-limits/): This page provides troubleshooting guidance and solutions for managing file size limits in IronXL, a C# Excel library, focusing on resolving issues with older Excel file formats and optimizing large files. - [IronXL - Security CVE](https://ironsoftware.com/csharp/excel/troubleshooting/ironxl-security-cve/): This page provides detailed information on IronXL's security measures, CVE disclosures, and its robust protection against vulnerabilities, highlighting its DigiCert certification, lack of COM interfaces, and thorough code review process. - [Setting License Key in Web.config](https://ironsoftware.com/csharp/excel/troubleshooting/license-key-web.config/): This web page provides step-by-step guidance for resolving licensing issues with IronXL in ASP.NET projects by configuring the license key in the web.config file using the ConfigurationManager, specifically for versions between 2023.4.13 and 2024.3.20. ### Tutorials - [Using C# to Create Excel Files in .NET](https://ironsoftware.com/csharp/excel/tutorials/create-excel-file-net/): This web page provides a detailed tutorial on creating Excel files in C# without using Microsoft Office Interop, featuring step-by-step instructions for generating XLSX spreadsheets and applying various functions using IronXL. - [Use C# to Open & Write an Excel File](https://ironsoftware.com/csharp/excel/tutorials/csharp-open-write-excel-file/): This web page provides a comprehensive tutorial with code examples on writing to Excel files using C# without Interop, enabling users to open and manage Excel files and workbooks efficiently with IronXL. - [How to Read an Excel File in C#](https://ironsoftware.com/csharp/excel/tutorials/how-to-read-excel-file-csharp/): This web page provides a comprehensive tutorial for developers on reading Excel files in C# without using Interop, utilizing libraries for tasks such as data validation and conversion to databases. ### API Reference - [API Reference](https://ironsoftware.com/csharp/excel/object-reference/api/): Official index of classes, methods, and properties of the IronXL library (namespace: `IronXL.Excel`) ## Code Examples - [Add, Extract, and Remove Images in Excel with C#](https://ironsoftware.com/csharp/excel/examples/add-extract-remove-worksheet-images/): This web page provides C# code examples demonstrating how to add, extract, and remove images in Excel worksheets using the IronXL library. - [Master Excel Aggregate Functions in C#](https://ironsoftware.com/csharp/excel/examples/aggregate-excel-functions/): This page provides a guide and code examples for using Excel aggregate functions like SUM, AVERAGE, and COUNT in C# with IronXL. - [Auto-Resize Excel Rows and Columns in C#](https://ironsoftware.com/csharp/excel/examples/auto-resize-rows-and-columns/): This page provides C# code examples using the IronXL library to automate the resizing of rows and columns in Excel spreadsheets for enhanced readability and professional presentation. - [Combine Multiple Excel Ranges in C#](https://ironsoftware.com/csharp/excel/examples/combine-excel-ranges/): This page provides a tutorial on using IronXL in C# to merge multiple Excel ranges for enhanced data organization within workbook sheets, including practical code examples and detailed explanations. - [Convert Spreadsheet File Types](https://ironsoftware.com/csharp/excel/examples/convert-excel-spreadsheet/): This webpage provides a comprehensive tutorial on using IronXL in C# to convert Excel spreadsheets into various formats like XLSX, JSON, and HTML, facilitating seamless data manipulation and integration in applications. - [Convert Excel to HTML](https://ironsoftware.com/csharp/excel/examples/convert-excel-to-html/): This webpage provides a guide on converting Excel files to HTML using C# with IronXL, including code examples and customization options for the HTML output. - [Copy Excel Worksheets](https://ironsoftware.com/csharp/excel/examples/copy-an-excel-worksheet/): This web page provides a detailed code example and explanation on how to copy Excel worksheets within the same workbook or to another workbook using IronXL in C#. - [Create Excel Chart](https://ironsoftware.com/csharp/excel/examples/create-a-excel-line-chart/): This web page provides a comprehensive guide and example code on creating Excel line charts using C# and the IronXL library, including steps such as loading a workbook, entering data, initializing a chart, and saving the file. - [Create a new Excel File](https://ironsoftware.com/csharp/excel/examples/create-excel-spreadsheet/): This web page provides a comprehensive guide for developers on creating and styling Excel spreadsheets in C# using IronXL, including code examples and advanced formatting options. - [Edit Excel Metadata in C#](https://ironsoftware.com/csharp/excel/examples/edit-excel-metadata-csharp/): This page provides a comprehensive guide on editing Excel metadata programmatically using C# and IronXL, including code examples to update workbook properties like author, title, and subject efficiently for automated workflows. - [Excel Conditional Formatting](https://ironsoftware.com/csharp/excel/examples/excel-conditional-formatting/): This web page provides a comprehensive guide on implementing Excel conditional formatting using IronXL in C#, detailing how to apply formatting rules to improve data visualization. - [Excel Formulas in C#](https://ironsoftware.com/csharp/excel/examples/excel-formulas-csharp/): This web page provides a comprehensive guide and code examples for using IronXL to implement and evaluate Excel formulas in C# applications without relying on Office Interop. - [Excel Number Format](https://ironsoftware.com/csharp/excel/examples/excel-number-formats/): This web page provides a tutorial on using the IronXL library in C# to apply number formats to Excel cells, complete with code examples and downloadable resources. - [Excel Print Setup](https://ironsoftware.com/csharp/excel/examples/excel-print-setup/): This web page provides a detailed guide and code examples for setting up Excel print settings in C# using IronXL, focusing on configuring print layouts, headers, footers, and other customizable print options for optimized document printing. - [Excel to SQL via System.Data.DataSet](https://ironsoftware.com/csharp/excel/examples/excel-sql-dataset/): This web page provides a tutorial for using IronXL in C# to load and manage Excel data within SQL datasets, offering code examples to integrate Excel with SQL databases effectively. - [Excel to SQL and DataGrid via DataTable](https://ironsoftware.com/csharp/excel/examples/excel-sql-datatable/): This web page provides a code example and tutorial on converting Excel files to SQL DataTables using C# with IronXL, including interoperability with DataGrid and step-by-step instructions for implementation. - [Style Cells, Borders, and Fonts in Excel with C#](https://ironsoftware.com/csharp/excel/examples/excel-style-cells-borders-fonts/): This web page provides a comprehensive guide on how to style Excel cells, borders, and fonts using the IronXL library in C# projects. - [Update Excel Database Records](https://ironsoftware.com/csharp/excel/examples/excel-update-database-records/): This web page provides a comprehensive guide on using IronXL in C# to update SQL database records directly from Excel files, featuring step-by-step instructions, sample code, and insights into seamless data synchronization. - [Export Excel Spreadsheets in C#](https://ironsoftware.com/csharp/excel/examples/export-excel-spreadsheet/): This page provides a detailed guide and code examples for exporting Excel spreadsheets to various formats using IronXL in C#, enhancing data integration and simplifying reporting in .NET applications. - [Freeze Panes in Excel](https://ironsoftware.com/csharp/excel/examples/freeze-panes-in-excel/): This web page provides a comprehensive guide with code examples on how to freeze panes in Excel using C# and IronXL to enhance data navigation by locking specific rows and columns in place. - [Group & Ungroup Rows & Columns](https://ironsoftware.com/csharp/excel/examples/group-and-ungroup-rows-and-columns/): This web page provides a guide on using the IronXL C# library to efficiently group and ungroup rows and columns in Excel worksheets without using Interop. - [Insert New Rows & Columns](https://ironsoftware.com/csharp/excel/examples/insert-new-rows-and-columns/): This web page provides a tutorial on using the IronXL C# library to insert new rows and columns into Excel worksheets without requiring Office Interop, including code examples for implementation. - [Load Excel From SQL Database](https://ironsoftware.com/csharp/excel/examples/load-excel-from-sql-database/): This web page provides a detailed tutorial on using IronXL to load Excel data directly from SQL databases in C#, including example code and steps to automate data export in .NET applications. - [Protect Excel Files](https://ironsoftware.com/csharp/excel/examples/protect-excel-file/): This web page provides a comprehensive guide on using IronXL in C# to protect Excel files through password encryption and sheet-level protection, ensuring data security and controlled access in automated workflows. - [Load Excel Files without Interop](https://ironsoftware.com/csharp/excel/examples/read-excel/): This web page provides a detailed guide and code examples on how to read and manipulate Excel files using IronXL in C#, focusing on loading workbooks without Interop for tasks like data extraction, calculations, and automation. - [Repeat Rows & Columns in Excel via C#](https://ironsoftware.com/csharp/excel/examples/repeating-rows-and-columns-in-excel/): This web page provides C# code examples and instructions using IronXL to repeat specific rows or columns on every printed page of an Excel file, enhancing readability across multi-page spreadsheets. - [Select Excel Range](https://ironsoftware.com/csharp/excel/examples/select-excel-range/): This web page provides a tutorial on selecting Excel ranges programmatically in C# using IronXL, including examples for selecting specific ranges, rows, and columns, along with sorting and calculation methods. - [Sort Excel Ranges in C#](https://ironsoftware.com/csharp/excel/examples/sort-excel-range-csharp/): This web page provides a comprehensive guide and code examples for sorting data in Excel using C# with IronXL, demonstrating methods for sorting columns, rows, and specific ranges in .NET applications. ## Product Features - [Features](https://ironsoftware.com/csharp/excel/features/): This page provides an in-depth overview of IronXL's features for handling Excel files in C#, including capabilities for reading, writing, editing, and utilizing advanced functionalities such as formulas and charts in .NET applications. - [Create](https://ironsoftware.com/csharp/excel/features/create/): Create Excel files from scratch in C# using IronXL's powerful API and features. - [Edit](https://ironsoftware.com/csharp/excel/features/edit/): Customize workbooks with styles, graphs, images, and more for better analysis. - [Features](https://ironsoftware.com/csharp/excel/features/): Discover the powerful features of IronXL. Explore capabilities including Excel creation, conversion, manipulation, calculation, and more to enhance your applications. - [Save & Export](https://ironsoftware.com/csharp/excel/features/save-export/): Save workbooks in various formats or export them as other file types with ease. - [Secure](https://ironsoftware.com/csharp/excel/features/secure/): Secure files with passwords, encrypt workbooks, or protect individual sheets efficiently. - [Working with Data](https://ironsoftware.com/csharp/excel/features/working-with-data/): Use math functions and formulas seamlessly without opening Microsoft Excel. ## Licensing - [Extensions](https://ironsoftware.com/csharp/excel/licensing/extensions/): This web page provides information on upgrading and renewing IronXL licenses to enhance Excel capabilities, increase user capacity, and add enterprise-level features. - [Licensing](https://ironsoftware.com/csharp/excel/licensing/): This page provides detailed information about IronXL's licensing options, usage limits, and upgrade opportunities for developing Excel-based applications in C#. - [Upgrades](https://ironsoftware.com/csharp/excel/licensing/upgrades/): This web page provides guidance on upgrading and renewing licenses for IronXL, helping users scale Excel functionalities in C# applications, unlock advanced features, and maintain ongoing support.