Compare Excel and XLSX files to find differences, duplicates, and changes. Free online tool for spreadsheet comparison.
Excel is Microsoft's industry-standard spreadsheet format, widely used for data analysis, financial modeling, and business reporting. It supports formulas, charts, and complex formatting.
XLSX is the modern Excel format introduced in 2007, based on Open XML. It offers smaller file sizes, improved data recovery, and better compatibility with other applications.
Use our powerful comparison tool to analyze differences between your files instantly.
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