Microsoft has officially announced the availability of the final version of its Office 2021 release for Windows and Mac users. Following the release of the preview version in the first half of this year, the product has been refined and is now available to users. Office 2021 includes updated versions of apps from the suite, Word, Excel, PowerPoint, Outlook, Access, and Publisher.

Microsoft Office 2016-2019-2021 includes
- Microsoft Office Mondo 2016
- Microsoft Office Professional Plus 2016
- Microsoft Office Professional Plus 2019
- Microsoft Office Professional Plus 2021
- Microsoft Office Professional 2016
- Microsoft Office Professional 2019
- Microsoft Office Professional 2021
- Microsoft Office Professional Premium
- Microsoft Office Standard 2016
- Microsoft Office Standard 2019
- Microsoft Office Standard 2021
- Microsoft Project Professional 2016
- Microsoft Project Professional 2019
- Microsoft Project Professional 2021
- Microsoft Project Standard 2016
- Microsoft Project Standard 2019
- Microsoft Project Standard 2021
- Microsoft Visio Professional 2016
- Microsoft Visio Professional 2019
- Microsoft Visio Professional 2021
- Microsoft Visio Standard 2016
- Microsoft Visio Standard 2019
- Microsoft Visio Standard 2021
- Microsoft Office Home Business 2016
- Microsoft Office Home Business 2019
- Microsoft Office Home Business 2021
- Microsoft Office Home Business Premium
- Microsoft Office Home Student 2016
- Microsoft Office Home Student 2019
- Microsoft Office Home Student 2021
- Microsoft Office 365 (Home Premium)
- Microsoft Office 365 (Education Cloud)
- Microsoft Office 365 Apps for Business
- Microsoft Office 365 Apps for Enterprise
- Microsoft Office 365 Small Business Premium

Office 2021 includes virtually every change that has been added to the suite of programs in Office 365 over the past 3 years, although some features remain exclusive to subscribers. In addition to the main programs Word, Excel, PowerPoint, and Outlook, which are available for both Windows and macOS, the Access and Publisher versions are only available for Windows and are included, as usual, only in premiums. Visio and Project for Windows are also available, although they are not part of the ongoing release of Office.

System requirements
- Dual-core processor, 1.6 GHz or faster
- 2.0 GHz + for Skype for Business
- 4 GB of RAM for 64-bit; 2 GB of RAM for 32-bit systems
- 4.0 GB of free disk space
- Screen resolution 1280 x 768 or higher
- Windows 10, Windows Server 2019
- Requires DirectX 9 or higher, with WDDM 2.0 or higher for Windows 10
- Internet access is not required. Activation - Internet-based or telephone-based, and KMS or MAK for enterprises.