Microsoft ends Office 2021 support on October 13

Microsoft is ending support for Office 2021 on October 13, 2026, cutting off technical support, software updates, bug fixes and security patches. Users are pushed toward Office 2024, a Microsoft 365 subscription, or free alternatives like Google Docs and LibreOffice.

• Office 2021 support ends on October 13, 2026
• No more updates or security patches will be provided
• Support lifespan shrank from 10 years for Office 2010 to 5 for Office 2021
• Alternatives include Office 2024, Microsoft 365, Google Docs and LibreOffice