A .numbers file is a spreadsheet made in Apple Numbers on a Mac, iPhone or iPad. Excel and Windows can't open it directly. Here's what works.
| Option | Cost | File leaves your PC? | Keeps formulas & charts? |
|---|---|---|---|
| 1. Ask for an Excel copy | Free | No | Mostly yes |
| 2. iCloud.com | Free, Apple ID needed | Yes, uploaded to iCloud | Yes |
| 3. A desktop iWork viewer | Free to view | No | Values yes, charts may be missing |
| 4. Preview inside the file | Free | No | No, a picture of the first sheet |
In Numbers the sender chooses File → Export To → Excel (or CSV, or PDF). An .xlsx opens in Excel with formulas and most formatting intact. This is the best option when you need to edit the data.
Sign in at iCloud.com with an Apple ID, upload the file to iCloud Drive and open it in Numbers for iCloud in your browser. You can edit it there and download an Excel copy. The file is stored on Apple's servers.
Our iWork File Viewer for Windows opens .numbers files on your PC with no Apple ID and no upload. You can read the tables and copy text for free; Pro adds PDF export and printing. It is a viewer, not an editor: charts in Numbers files are often not shown, and the app tells you when that happens. If the chart matters, use option 1 or 2.
A Numbers file is a ZIP package. Copy it, rename the copy to .zip and open it. You'll usually find a small preview.jpg of the first sheet. Good for a quick look only.
No. Excel can't read the Numbers format. You need an exported .xlsx or one of the options above.
Yes, with iCloud.com (free Apple ID): open the file, then download a copy as Excel.
See opening Pages files and opening Keynote files on Windows.