If you don’t own Microsoft Excel, it is still possible to perform limited editing of MS Excel spreadsheets inside of Google Sheets using Office Compatibility Mode. This short video (less than 5 minutes) explains the special Chrome Extension required to use Office Compatibility Mode, and then shows how to edit Excel files in Sheets, using as an example an .xlsx file inside of Google Sheets. The narrator is Ian Lamont, author of the top-selling Excel Basics In 30 Minutes and Google Drive & Docs In 30 Minutes.
