Convert XLSX to NUMBERS Online — Free & Fast | AnyConv

XLSX to NUMBERS Converter

Quickly convert multiple xlsx files to numbers — free & online.

Drag & drop your files here or click to upload

How to convert XLSX to NUMBERS online

Follow these simple steps to convert xlsx files to numbers using AnyConv. It works on all devices — Windows, Mac, Linux, iPhone, Android.

Upload your XLSX file

Drag & drop your file into the upload area. You can also click to select it manually. Max file size: 100 MB.

Start converting

Hit the “Convert” button to turn your XLSX into NUMBERS. The process usually takes just a few seconds.

Download your NUMBERS

Once ready, download your converted file instantly. The download link is private and only works on your device.

What is a XLSX file?

XLSX is the default spreadsheet format used by Microsoft Excel since Office 2007. It is based on the Open XML standard and stores data in cells organized by rows and columns.

XLSX files support formulas, charts, formatting, and large data sets. They are widely used for financial modeling, data analysis, and record keeping across industries.

How to open XLSX files

XLSX files can be opened with Microsoft Excel, Google Sheets, LibreOffice Calc, and many other spreadsheet applications. They are the standard format for spreadsheets today.

You can convert XLSX to PDF, CSV, or XLS using AnyConv or via built-in export options in Excel and other tools.

Key facts about XLSX

  • Full name: Microsoft Excel Open XML Spreadsheet
  • Extension: .xlsx
  • MIME type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
  • Developed by: Microsoft
  • Initial release: 2007

Useful links and resources

What is a NUMBERS file?

NUMBERS is the native spreadsheet file format used by Apple Numbers, part of the iWork suite for macOS and iOS. It stores data in tables along with charts, formulas, and formatting.

Unlike Excel, NUMBERS files support a flexible layout with multiple sheets displayed as canvases. They are compatible with iCloud and can be exported to formats like XLSX or PDF.

How to open NUMBERS files

NUMBERS files are opened with Apple Numbers on macOS and iOS devices. You can also use iCloud to access them from any browser.

To share or use with Excel, convert the file to XLSX or CSV using AnyConv or the export options inside Numbers.

Key facts about NUMBERS

  • Full name: Apple Numbers Spreadsheet
  • Extension: .numbers
  • MIME type: application/vnd.apple.numbers
  • Developed by: Apple Inc.
  • Initial release: 2007

Useful links and resources

Convert to NUMBERS

Want to get a file in NUMBERS format? Choose the original format you’re starting with — AnyConv can quickly convert dozens of file types into NUMBERS.

❓ Frequently Asked Questions

Answers to common questions about converting XLSX to NUMBERS
  • Do I need to register to convert XLSX files?
    Not at all! You can convert XLSX to NUMBERS without signing up or installing anything.
  • Is it safe to convert XLSX to NUMBERS on AnyConv?
    Absolutely. All XLSX and NUMBERS files are securely handled and automatically deleted after 1 hour. Nobody can access your data.
  • Will the quality change after converting XLSX to NUMBERS?
    We do our best to preserve the original quality during XLSX to NUMBERS conversion. The result is accurate and clean.
  • How long does it take to convert XLSX to NUMBERS?
    Most conversions from XLSX to NUMBERS take just a few seconds — even for larger files.
  • Can I upload more than one XLSX file?
    Yes, batch conversion is supported. You can convert multiple XLSX files to NUMBERS at once — fast and easy.
  • What browsers support XLSX to NUMBERS conversion?
    All modern browsers! Chrome, Firefox, Safari, Edge — AnyConv runs online and supports converting XLSX to NUMBERS on any platform.