Microsoft Office 2021 at Livecards.net

This category covers three Microsoft Office 2021 editions: Standard and Professional Plus for Windows PCs, and Home & Business for Mac. Each is a one-time purchase with no subscription. Livecards.net supplies the digital key, and activation always happens with Microsoft.

Microsoft set October 13, 2026 as the end-of-support date for Office 2021, with no extended security updates after it. Buyers who want a version supported until October 9, 2029 can compare Microsoft Office 2024 instead.

Which Office 2021 Edition to Choose

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The Windows editions of Office 2021 still include Publisher, which Office 2024 dropped, though Microsoft is retiring Publisher itself in October 2026.

Key Types and Compatibility

Professional Plus is offered in several versions, including Retail, Bind, OEM and EU keys, and each product page explains how that key activates and how many PCs it covers. Older Office versions need to be removed before installing. Office 2021 also pairs with Microsoft Project and Microsoft Visio 2021 from the same release.

Microsoft Office 2021 FAQ

When does Microsoft support for Office 2021 end?

Microsoft set October 13, 2026 as the end-of-support date, with no extended security updates after it.

Does Office 2021 include Publisher?

The Windows editions, Standard and Professional Plus, do. Home & Business for Mac doesn't, since Publisher was never available on Mac.

Which Office 2021 edition works on a Mac?

Only Office Home & Business 2021 for Mac. Standard and Professional Plus are Windows-only.

Office 2021 or Office 2024?

Office 2024 is supported until October 9, 2029. Office 2021 suits buyers who want to match an existing 2021 setup or keep Publisher on Windows.

For the full range of versions, including Microsoft 365, browse the Microsoft Office category at Livecards.net.