Perpetually licensed Office 2019 now available for corporate customers

Consumer availability will be in the coming weeks.

Microsoft announces perpetually-licensed Office 2021 for Windows and macOS

There is no Microsoft Office version 17

Good News! Buy a lifetime MS Office from $11.99, and genuine Windows OS is as low as $6.14!

Microsoft explains why you shouldn't buy Office 2019 - Neowin

Ed Bott's READ ME

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FIX: Office always asking for Activation (Solved)