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Compare the best free Microsoft Excel alternatives for 2026, including features, pricing, pros and cons, and use cases for each spreadsheet tool.

Copilot agents are built to help with research and analysis. In my tests, those agents didn't produce useful results. Troubleshooting with Copilot wasted time and solved nothing. Microsoft is spending ...

As PCMag's resident data journalist, I practically live in Microsoft Excel. I've learned that it's capable of far more than I ever imagined. These are the hacks and tricks you need to know. Our team ...

Microsoft Excel has been the premier spreadsheet software for decades, since outdoing the once venerable Lotus 1-2-3, the first killer app for PCs in the 1980s. And Excel's dominance has yet to be ...

Iron Software builds trusted .NET libraries for document automation. Reading Excel files in C# sounds simple until you're three sprints into a project and discover your chosen library can't handle ...

Each profile below follows the same structure: what the library is, a code example performing the standard task (create workbook, write data, save), its genuine strengths and limitations, and who ...