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.

Can OpenOffice Run Excel?. In the free open-source office suite Apache OpenOffice, Calc is the spreadsheet equivalent to Microsoft Excel. Calc allows you to open and edit files originally saved in ...

Perhaps heavy Excel or PowerPoint users will see a different behavior because the Files app has enough data to know which app you want to open certain file types in. It’s also possible, though, that ...