closedxml

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witanlabs / xlsx-corpus-bench

Benchmarking xlsx libraries against Microsoft Excel itself: load, round-trip, and recalculation fidelity across 16,000 real-world workbooks from two public corpora. witan · LibreOffice · EPPlus · ClosedXML · openpyxl

benchmark reproducible-research excel libreoffice xlsx corpus spreadsheet epplus ooxml openpyxl closedxml spreadsheetml formula-engine

Updated Jun 12, 2026
Python

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