What Office 2021 versions will be available? Microsoft has just announced the release date of the next version of Office, the famous suite of apps - formerly known as Microsoft Office - and it includes Word, Excel, Powerpoint, and Outlook. As one may guess, its new name is Office 2021 and it will be available on October 5th, at the same time as Windows 11, the latest operating system for PC. Available both on Windows and macOS, this new Office generation will integrate fluent design in order to perfectly match the new OS. For users of older Windows versions, fear not! Office 2021 will also be perfectly compatible with Windows 10.