Numbers has the ability to open Excel files so you can work on them. You can also export spreadsheets in Numbers so that they are compatible with Excel.

Has someone sent you a .numbers file that you can't open in Excel on your Windows PC? Here's how to edit it using Apple's iCloud apps ...

Want an easier way to share your spreadsheet or workbook with non-Apple users? We’ll show you how to convert Apple Numbers to Excel on Mac, iPhone, and iPad.