ExcelPackage: .NET Library for Excel File Manipulation in C#

ExcelPackage is a .NET library that allows you to create, read, and manipulate Excel files using C#. It provides a simple and intuitive API to work with Excel files and supports features such as cell formatting, formulas, charts, and more.

With ExcelPackage, you can easily create new Excel files from scratch or modify existing ones. You can add worksheets, set cell values, apply formatting, and perform calculations using formulas. You can also insert images, charts, and other elements into the Excel file.

ExcelPackage supports both the older '.xls' format and the newer '.xlsx' format, so you can work with files created in different Excel versions. It also provides support for password-protected files and allows you to read and write large amounts of data efficiently.

Overall, ExcelPackage is a powerful and flexible library for working with Excel files in C#. It simplifies the process of creating, reading, and manipulating Excel files and provides a comprehensive set of features for working with Excel data.