Filtered ranking
Best Calendar Apps for Windows in 2026
3 of the 6 calendar apps ranked on listme.name match: they officially support Windows. The order uses the same scores as the full ranking.
The ranking
- 1
Outlook
A full mail, calendar and tasks client on Windows and Mac, with delegate access and Copilot help. It is most useful when email also lives in Outlook, and its calendar alone is less focused than Fantastical.
Best for Email and calendar in one workplace app
WindowsmacOSWebFree plan, paid upgrades
- 2
Proton Calendar
A calendar from the Proton privacy suite, with apps on six systems and a free account. It has fewer third-party integrations than Google Calendar, so it suits people who put privacy first.
Best for Privacy-focused calendars inside Proton's suite
iOSAndroidmacOSWindowsLinuxWebFree plan, paid upgrades
- 3
Morgen
Places tasks and events on one timeline, with AI suggestions, on Windows, Mac, Linux and the web. Pricing starts after a 14-day trial with no free plan listed, so a plain calendar is cheaper to start with.
Best for Daily planning that combines tasks with calendars
WindowsmacOSLinuxWebSubscription
At a glance
| Product | Score | Price | Platforms | Where events are kept | Desktop app |
|---|---|---|---|---|---|
 Outlook | 89.0 | Free plan, paid upgrades | WindowsmacOSWeb | Microsoft accounts | Yes |
 Proton Calendar | 85.5 | Free plan, paid upgrades | iOSAndroidmacOSWindowsLinuxWeb | Proton's servers | Yes |
 Morgen | 79.0 | Subscription | WindowsmacOSLinuxWeb | Connected calendar accounts | Yes |