LibXL is a library that can read and write Excel files. It doesn't require Microsoft Excel and .NET framework, combines an easy to use and powerful features. Library can be used to

• Generate a new spreadsheet from scratch

• Extract data from an existing spreadsheet

• Edit an existing spreadsheet

LibXL can help your applications in exporting and extracting data to/from Excel files with minimum effort. Also it can be used as report engine. Library can be used in C, C++, C#, Delphi, PHP, Python, PowerBASIC, Xojo, Fortran and other languages. Supports Excel 97-2003 binary formats (xls), Excel 2007-2021 XML formats (xlsx/xlsm). Supports Unicode and 64-bit platforms. There are a wrapper for .NET developers and separate Linux, Mac and iOS editions. 

Simple interoperate, no more Excel dependency

LibXL has C/C++ headers, Delphi unit and .NET assembly for including in your project. No OLE automation.

Customizing the look and feel

LibXL supports numerous formatting options: alignments, borders, colors, fill patterns, fonts, merging cells and so on.

High performance

Writing speed is about 2 100 000 cells per second for numbers and 240 000 cells per second for 8-character random strings in binary xls format (CPU 3.2 GHz).