# Best Calendar Apps for Windows in 2026

Source: https://listme.name/best/calendar-apps/windows

Calendar apps differ on where events are stored, which devices they run on and whether they plan tasks as well as meetings. This ranking favors free personal use and cross-device reach, then privacy and planning features.

## 1. Outlook (score 89.0)

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
- Free plan, paid upgrades | Windows, macOS, Web
- Website: https://www.microsoft.com/en-us/microsoft-365/outlook/email-and-calendar-software-microsoft-outlook
- Page: https://listme.name/software/microsoft-outlook

## 2. Proton Calendar (score 85.5)

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
- Free plan, paid upgrades | iOS, Android, macOS, Windows, Linux, Web
- Website: https://proton.me/calendar
- Page: https://listme.name/software/proton-calendar

## 3. Morgen (score 79.0)

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
- Subscription | Windows, macOS, Linux, Web
- Website: https://www.morgen.so/
- Page: https://listme.name/software/morgen