Office 2016 (standalone, perpetual licence) requires a serial number/key and internet activation to install (registration of a Microsoft Account is required if you do not already have one).Office 2016 (Microsoft 365 subscription) requires internet activation and a Microsoft Account to install.Microsoft Office 2016 (365) Frequently Asked Questions FAQ Article ID = 154Īrticle Title = Microsoft Office 2016 (365) Frequently Asked Questions FAQĪrticle Last Updated = 25th February 2021įrequently Asked Questions about Microsoft Office 2016 / Microsoft 365 subscription service Installation, Registration, Compatibility and Requirements