A distraction-free reading and writing environment. It hides the ribbon and overlays the document on a dark background, similar to "dark mode" (though dark mode officially came later to 365).
It's important to distinguish Office 2019 from its competitors and successors: Office 2019 Microsoft 365 Office 2021/2024 Subscription Support (2026) Ended Features Static (no updates) Constant Updates Static (no updates) Cloud Local focus Integrated (1TB)
Unless you have legacy software that breaks with newer versions, skip 2019. Go directly to Microsoft Office 2021 LTSC (if you want perpetual) or Microsoft 365 Business (if you want security). Office 2019 is now best suited for home users who don't care about security updates after 2025 or who air-gap their computers.