How to Generate Excel Files in C++ Using xlsLib

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xlsLib is an open-source, multiplatform C++ library designed for the fast and lightweight generation of Excel files in the classic binary .xls (BIFF8) format. It operates completely independent of Microsoft Office, making it an excellent resource for performance-critical systems, cross-platform apps, and automated server-side reporting pipelines. Key Features of xlsLib

High Performance: Generates native spreadsheet files directly, executing much faster than heavy OLE automation or GUI wrapper environments.

No Excel Dependency: Runs natively across Linux, macOS, and Windows without requiring an installation of Microsoft Office.

C and Objective-C Support: Includes a built-in “C bridge” wrapper and a dedicated iOS Objective-C framework for mobile integration.

Rich Formatting Capabilities: Beyond simple data output, it supports multiple sheets, cell alignments, custom colors, fonts, borders, and even formulas. Getting Started 1. Installation and Integration

To use the library, clone the source files from repositories like the xlsLib GitHub Repository or download packages from xlsLib on SourceForge.

For standard C++ projects, build the source files using CMake, include the headers, and link against the compiled binary library:

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