Convert Numbers to Excel Free Online — Numbers to XLSX

Convert Apple Numbers spreadsheets to Excel XLSX format. Share your spreadsheets cross-platform with Excel users. Free online.

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About the output format

When XLSX is the right output

XLSX is Excel's modern format — preserves formulas, formatting, multiple sheets, charts. Convert to XLSX when the recipient will interact with the data in Excel or Google Sheets (pivot tables, financial modelling, forecast workbooks). Overkill for one-off tabular data — CSV is lighter and more portable.

About the Apple Numbers Format

Numbers is Apple's spreadsheet format, part of the iWork suite for macOS and iOS. Numbers files use a ZIP-based package structure containing protocol buffer data, images, and resources. Unlike traditional grid-based spreadsheets, Numbers uses a canvas-based approach where multiple tables, charts, and images can be placed freely on each sheet.

Numbers is exclusively available on Apple devices and iCloud.com, making it inaccessible to Windows, Android, and Linux users. The format supports formulas, charts, conditional highlighting, interactive sorting, and real-time collaboration through iCloud. For sharing data with non-Apple users or importing into business tools, converting Numbers files to XLSX or CSV is the recommended approach.

NUMBERS to XLSX FAQ

Quick answers about compatibility, quality, metadata handling, and the most common reasons to convert NUMBERS files to XLSX.

How to convert NUMBERS to XLSX without losing formulas or data

Upload your NUMBERS spreadsheet to iFormat and click Convert. Between native formats (XLSX, XLS, ODS) formulas, formatting, and multiple sheets are preserved. Converting to CSV exports cell values as plain rows — formula results are kept, but formatting and extra sheets are not, by design.

Can I open my NUMBERS spreadsheet in Google Sheets after converting to XLSX?

Yes. Convert your NUMBERS to XLSX (XLSX or CSV) and import it into Google Sheets. XLSX preserves formulas and formatting; CSV is universal but carries only values. Google Sheets handles both natively.

How to convert NUMBERS to XLSX online without Excel

iFormat converts NUMBERS to XLSX entirely in your browser — no Excel, LibreOffice, or desktop software needed. Upload, click Convert, and download. It handles tens of thousands of rows without slowing down.

Does NUMBERS to XLSX keep all sheets and tabs?

Between XLSX, XLS, and ODS formats, all sheets transfer intact. When converting to CSV, only the active sheet is captured — convert each sheet separately if your NUMBERS workbook has several tabs.

Why convert NUMBERS to XLSX?

XLSX is the Microsoft Excel format best for spreadsheets with formulas, while NUMBERS is the NUMBERS format. Convert when a database, app, or analytics tool requires XLSX for import.

Is there a file size limit for NUMBERS to XLSX conversion?

The free plan supports files up to 50 MB, which covers the large majority of NUMBERS files. For longer or higher-resolution files, Starter raises the limit to 100 MB, Plus to 1 GB, and Pro to 5 GB.

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