Copy & Paste not working on Mac Safari
Copy and Paste function does not work in Safari browser in Apple Mac for Excel Online. It should be possible in the same way as on Google Apps for now. You can refer to https://answers.microsoft.com/en-us/msoffice/forum/msoffice_excel-mso_other/copy-and-paste-tofrom-excel-web-app-doesnt-work-on/2fde83e9-8c59-e011-8dfc-68b599b31bf5?page=2 thread where more users want this.
This still is a problem in two years later?