Numbers
Upload a spreadsheet to Numbers for iCloud
You can upload a spreadsheet created in Numbers for Mac or in Microsoft Excel to iCloud Drive so you can edit it on the web using Numbers for iCloud. You can also upload a spreadsheet saved in CSV format.
Do one of the following:
With the spreadsheet manager in browse view, Drag a spreadsheet from your computer to the spreadsheet manager.
In the spreadsheet manager, click the Upload button
in the toolbar, select a spreadsheet, then click Choose or Open.
Note: You may notice some differences between working in a spreadsheet in Numbers for Mac, iPhone, or iPad, and Numbers for iCloud. See Working with Pages, Numbers, and Keynote files on iCloud.com.