Intro to collaboration in Numbers for iCloud
You can collaborate with others in real time by sharing a link to your Numbers for iCloud spreadsheet. Shared spreadsheets and any changes to them are saved in iCloud, and people working in the spreadsheet see the changes as they’re made.
As the owner of the spreadsheet, you control who can open it, and what they can do:
Access: You can send a link that anyone can use to open the spreadsheet. Or, you can invite specific people who must sign in with their Apple ID to open the spreadsheet.
Editing permission: You can choose whether others can make changes to the spreadsheet, or only view it. You can also choose whether participants can invite others to collaborate on the spreadsheet.
iCloud requirements
If you set access to allow anyone with the link access to open your spreadsheet, they don’t need an iCloud account or Apple ID to view or edit the shared spreadsheet.
If you invite only specific people to collaborate on your spreadsheet, they must be signed in with an Apple ID and have iCloud Drive turned on to view or edit the spreadsheet. See Accept an invitation to collaborate.
Minimum system requirements
To collaborate on a shared spreadsheet, people you share with need any of the following:
A Mac with macOS 12.3 or later and Numbers 13.0 or later
An iPhone with iOS 15.4 or later and Numbers 13.0 or later
An iPad with iPadOS 15.4 or later and Numbers 13.0 or later
A Mac with macOS 12.3 or later or a Windows computer, and a supported browser
Anyone with an Android device, or an iPhone or iPad that doesn’t meet the minimum system requirements, can view, but not edit, the spreadsheet.
Note: If your spreadsheet is stored in Box instead of iCloud, you can still collaborate using the collaboration controls in Box. See the Apple Support article on using iWork with Box.