spreadsheet Format

Numbers File Format

Apple Numbers is the proprietary spreadsheet format developed by Apple for macOS and iOS. Rather than adhering to an infinite grid model, Numbers files feature freeform canvases containing multiple independent data tables, charts, and media blocks.

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Technical Specifications

Extensions	.numbers
MIME Types	application/x-iwork-numbers-sffnumbers, application/vnd.apple.numbers
Category	Spreadsheet
Engine Tier	tier2-wasm
Magic Bytes / Sniffing	0x50 0x4B 0x03 0x04
Opens With	Apple Numbers, iCloud for Web, LibreOffice Calc
Good For	Designing aesthetically pleasing financial reports and visual dashboards on Apple ecosystems.
Not Recommended For	Heavy programmatic data processing, pivot table automation, and Windows compatibility.

Convert from Numbers (3 targets)

NumbersXLSX(high)NumbersPDF(high)NumbersCSV(high)