Documents

NUMBERS → XLSX

Learn about the formats: What is XLSX?

At a glance

ConvertX.am converts NUMBERS files to XLSX online, for free and without signing up. Upload a file of up to 500 MB and download the XLSX result; uploaded and converted files are deleted automatically within about an hour.

Input:: NUMBERS
Output:: XLSX
Price:: Free, no sign-up
File size:: Up to 500 MB
Your files:: Deleted automatically within about an hour

Convert Apple Numbers spreadsheets to Microsoft Excel XLSX format instantly. This tool is essential for Mac users collaborating with Windows environments.

Apple Numbers is the proprietary spreadsheet application for macOS and iOS, designed with canvas-based layouts and unique formula syntax. Microsoft Excel uses the standardized XLSX format, relying on traditional grid structures. Converting NUMBERS to XLSX translates Apple's document structure into standard Excel rows, columns, and OpenXML formulas, allowing seamless cross-platform editing without compatibility roadblocks.

The conversion between NUMBERS and XLSX occurs without data loss, preserving your exact numerical values and text content while maintaining complete quality.

Tips

Simplify complex free-form canvas objects in Numbers before converting to prevent layout shifting in Excel.
Check custom formulas after conversion to ensure Excel interprets them correctly.
Keep the file structure clean by removing unnecessary tables on a single Numbers sheet.

Common use cases

Sending Apple Numbers financial reports to clients who only use Microsoft Excel.
Submitting Mac-generated data sheets to corporate systems requiring XLSX uploads.
Collaborating on spreadsheet documents across mixed macOS and Windows teams.

Why ConvertX stays free — forever

We built this project so anyone can convert files without paywalls, accounts, or hidden limits. Here is what that promise means in practice.

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Free tools today — and always

Every converter on ConvertX is free to use: no trials, no premium tiers, and no credit packs. We will never put core conversion features behind a subscription. Whether you convert one photo or a hundred files a week, the price stays zero.

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Privacy-first processing

Many image, audio, and video conversions run entirely in your browser. Your files never leave your device for those jobs. When server processing is required for documents or specialized formats, uploads are handled securely and removed automatically — typically within one hour.