The essentials to get it all done. Office home and business 2021 is for families and small businesses who want classic office apps and email. It includes word, excel, powerpoint, and outlook for windows 11 and windows 10. A one-time purchase installed on 1 pc or mac for use at home or work. Microsoft office features one-time purchase for 1 pc or mac classic 2021 versions of word, excel, powerpoint, and outlook microsoft support included for first 60 days at no extra cost compatible with windows 11, windows 10, or macos* works with microsoft teams