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Microsoft is killing Office 2021 in October to push you onto Microsoft 365, how to fight back
Microsoft has announced that it will end support for Office 2021 on October 13, 2026, after which users will no longer receive patches, fixes, or security updates. This move is part of Microsoft's effort to push users towards its subscription-based productivity offerings, such as Microsoft 365. Users who choose to stay with Office 2021 can take steps to mitigate potential security risks, including keeping the software offline, practicing safe document handling, and keeping Windows Security updated.