Microsoft 365 vs on-premises Office

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Microsoft 365 vs on-premises Office

Comparing Microsoft 365 to a traditional on-premises Office, Exchange, and SharePoint estate — and why the on-prem case is shrinking.

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/microsoft-365-vs-on-premises-office

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Can I still buy Office without a subscription?

Yes — Office LTSC (Long-Term Servicing Channel) and Office Home & Business are one-time purchases with a fixed feature set and no cloud services. Office LTSC 2024 is the current perpetual release, supported for five yea…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/microsoft-365-vs-on-premises-office

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What do I lose with perpetual Office compared with Microsoft 365 Apps?

Continuous feature updates (including Copilot), cloud co-authoring in the desktop apps, OneDrive integration depth, and the connected services. Security updates continue for the support period; features do not change.

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/microsoft-365-vs-on-premises-office

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Is Exchange Server still supported on-premises?

Exchange Server Subscription Edition (SE) succeeded Exchange 2019 in 2025 and is supported under a subscription model; Exchange 2016 and 2019 reached end of support in October 2025. Microsoft's direction for most organi…

Solving Microsoft 365 · www.solvingmicrosoft365.com/guides/microsoft-365-vs-on-premises-office

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