Microsoft Office 2021

Microsoft Office 2021 for Mac
Microsoft Office 2021 for Mac
Developer(s)	Microsoft
Initial release	October 5, 2021
Stable release	16.98.1 (25061520) (June 17, 2025) [±]
Operating system	macOS Catalina or later
Platform	x64, ARM64
Predecessor	Microsoft Office 2019 for Mac (2018)
Successor	Microsoft Office 2024 for Mac (2024)
Available in	27 languages
	List of languages English, Arabic, Chinese (Simplified), Chinese (Traditional), Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hungarian, Indonesian, Italian, Japanese, Korean, Norwegian (Bokmål), Polish, Portuguese (Portugal), Portuguese (Brazil), Russian, Slovak, Spanish, Swedish, Thai, Turkish

Microsoft Office 2021
Microsoft Office 2021
	A screenshot of the Office 2021 LTSC ProPlus suite. Clockwise from top left: Word, Excel, Outlook and PowerPoint
Developer(s)	Microsoft
Initial release	October 5, 2021
Stable release(s) [±]
Retail
Retail	Version 2505 (Build 18827.20164) / June 17, 2025
Volume licensed	Version 2108 (Build 14334.20090) / June 10, 2025
Operating system	Windows 10 v1809 or later; Windows Server 2019 or later;
Platform	IA-32, x64, ARM64
Included with	Microsoft 365
Predecessor	Microsoft Office 2019 (2018)
Successor	Microsoft Office 2024 (2024)
Available in	102 languages
	List of languages Full (40): English, Arabic, Bulgarian, Chinese (Simplified), Chinese (Traditional), Croatian, Czech, Danish, Dutch, Estonian, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Kazakh, Korean, Latvian, Lithuanian, Malay (Latin), Norwegian Bokmål, Polish, Portuguese (Brazil), Portuguese (Portugal), Romanian, Russian, Serbian (Latin, Serbia), Slovak, Slovenian, Spanish, Swedish, Thai, Turkish, Ukrainian, Vietnamese; Partial (51): Afrikaans, Albanian, Amharic, Armenian, Assamese, Azerbaijani (Latin), Bangla (Bangladesh), Bangla (Bengali India), Basque (Basque), Belarusian, Bosnian (Latin), Catalan, Dari, Filipino, Galician, Georgian, Gujarati, Icelandic, Irish, Kannada, Khmer, KiSwahili, Konkani, Kyrgyz, Luxembourgish, Macedonian (Republic of Macedonia), Malayalam, Maltese, Maori, Marathi, Mongolian (Cyrillic), Nepali, Norwegian Nynorsk, Odia, Persian (Farsi), Punjabi (Gurmukhi), Quechua, Scottish Gaelic, Serbian (Cyrillic, Bosnia & Herzegovina), Serbian (Cyrillic, Serbia), Sindhi (Arabic), Sinhala, Tamil, Tatar (Cyrillic), Telugu, Turkmen (Latin), Urdu, Uyghur, Uzbek (Latin), Valencian, Welsh; Proofing only (11): Hausa, Igbo, isiXhosa, isiZulu, Kinyarwanda, Pashto, Romansh, Sesotho sa Leboa, Setswana, Wolof, Yoruba;
Type	Office suite
License	Trialware
Website	office.com

Microsoft Office 2021 (third release codenamed Office 16) is a version of the Microsoft Office suite of applications for the Microsoft Windows and macOS operating systems. It was released on October 5, 2021. Office 2021 is compatible with Windows 10 v1809 and Windows Server 2019 through Windows 11 v24H2 and Windows Server 2025. It is also compatible with macOS Catalina through macOS Sequoia. Its successor, Microsoft Office 2024 was released on October 1, 2024.

Office 2021 retains the same major version number of 16 that previous versions of Office had. It introduces new dynamic arrays, XLOOKUP features for Excel, full dark-mode support in Windows and performance improvements. Support for retail versions of Office 2021 will end on October 13, 2026; unlike older versions of Office, there is no extended support period.