Probably the most convenient way to keep your documents at hand (on any device with a browser and the Internet) is to download them to Google Docs. And what if you don’t want to take up disk space for programs that are used once a month at best? Opening Data Files in Excel Equivalent App from Google Moreover, there are others, including free word processors, including OpenOffice or Numbers, which can open and edit XLS files. Under macOS, there has long been a fully functional version of Microsoft Office, no different from the one used on Windows. How to provide your Mac the ability to open and edit data files in Excel format without MS Office, I will tell in this material. Until now, the corporate segment prefers Excel as the main tool for working with tables. Even after you go to the macOS platform, certain formats, native to Windows PC, will haunt you.