GetSampleDataFree Sample Spreadsheet Files
Download free sample spreadsheet files in XLSX, XLSM, CSV, TSV, and ODS formats — dummy spreadsheets in a range of row counts and file sizes for testing Excel-compatible apps, CSV parsers, and data-import pipelines.
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ODS (OpenDocument Spreadsheet)
8 sample files available
View ODS (OpenDocument Spreadsheet) Samples →File sizes scale from a handful of rows up to a large multi-megabyte sheet, so you can test both basic spreadsheet rendering and how your app handles genuinely large imports.