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Head-to-head · Calendar Apps

Microsoft Outlook vs Nextcloud Calendar

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Microsoft Outlook #2 in Calendar Apps 9.2/10 Free plan · 30-day trial Free planFree trial✓ 2 of 4 features Visit site
Nextcloud Calendar #5 in Calendar Apps 8.9/10 Free plan Free plan✓ 3 of 4 features Visit Nextcloud

Microsoft Outlook leads on 0 checks, Nextcloud Calendar on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMicrosoft Outlook · 9.2/10
  • Free planboth
  • Free trialonly Microsoft Outlook
  • Most featuresNextcloud Calendar · 3 of 4

Microsoft Outlook scores higher on our rubric for calendar apps: 9.2 against 8.9 out of 10; our editors rank them #2 and #5.

On calendar sync, Nextcloud Calendar gives you Two_way where Microsoft Outlook offers One_way.

Microsoft Outlook is the better fit for microsoft-centered individuals and organizations. Nextcloud Calendar is the better fit for self-hosting teams needing collaborative scheduling.

  • Microsoft Outlook fits best

    Microsoft-centered individuals and organizations

  • Nextcloud Calendar fits best

    Self-hosting teams needing collaborative scheduling

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Side by side

Feature Microsoft Outlook 9.2/10 Visit ↗ Nextcloud Calendar 8.9/10 Visit ↗
At a glance
Editor score 9.2 8.9
Ranking #2 in Calendar Apps #5 in Calendar Apps
Best for Microsoft-centered individuals and organizations Self-hosting teams needing collaborative scheduling
Pricing model Free plan + paid Free plan + paid
Starting price $99.99/user/yr €42/user/yr
Free plan ✓ ✓
Free trial 30 days —
Deployment Cloud, Desktop, Mobile Cloud, Self-hosted
Platforms Web, Windows, macOS, iOS, Android Web, iOS, Android, Windows, macOS, Linux
Support Docs Email, Phone, Community, Docs
Integrations 7 integrations 600+ integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Microsoft Outlook 2/4 · Nextcloud Calendar 3/4
Shared calendars ✓ ✓
Time blocking Not checked yet Not checked yet
Scheduling links Not checked yet ✓ (best)
Video meeting support ✓ ✓
Specs
Calendar sync One_way Two_way
Mobile apps Ios and android Ios and android
Our review
Pros
  • Free account includes core scheduling, sharing, and recurring events
  • Supports Teams, Zoom, Webex, Google Calendar, and more
  • Works across web, Windows, macOS, iOS, and Android
  • Open-source calendar with self-hosted deployment
  • Sharing, invitations, free/busy planning, and booking links
  • Integrates with Nextcloud Contacts, Tasks, Talk, CalDAV, and iCalendar
Cons
  • Personal booking pages have separate licensing requirements
  • Advanced Outlook capabilities require Microsoft 365 subscriptions
  • Cloud storage and Outlook access vary by plan
  • Paid Enterprise subscriptions start at 100 users
  • No time-blocking feature
  • Mobile access relies on CalDAV-supported calendar workflows
Our verdict

Microsoft Outlook Calendar is the calendar and scheduling component of Outlook, designed for personal users, organizations, and teams. It covers appointments, recurring events, meeting invitations, reminders, free/busy planning, shared…

Read the review →

Nextcloud Calendar is an open-source calendar app for Nextcloud instances, aimed at individuals and teams that need shared scheduling with control over deployment. It supports multiple calendars, event management, recurring events,…

Read the review →
  1. Microsoft OutlookCalendar Apps 9.2Free plan · 30-day trial
  2. Nextcloud CalendarCalendar Apps 8.9Free plan

Strengths and trade-offs

  • Microsoft Outlook — where it wins

    • Free account includes core scheduling, sharing, and recurring events
    • Supports Teams, Zoom, Webex, Google Calendar, and more
    • Works across web, Windows, macOS, iOS, and Android

    Where it doesn't

    • Personal booking pages have separate licensing requirements
    • Advanced Outlook capabilities require Microsoft 365 subscriptions
    • Cloud storage and Outlook access vary by plan

  • Nextcloud Calendar — where it wins

    • Open-source calendar with self-hosted deployment
    • Sharing, invitations, free/busy planning, and booking links
    • Integrates with Nextcloud Contacts, Tasks, Talk, CalDAV, and iCalendar

    Where it doesn't

    • Paid Enterprise subscriptions start at 100 users
    • No time-blocking feature
    • Mobile access relies on CalDAV-supported calendar workflows
  • Microsoft Outlook9.2/10 · Free plan · 30-day trial

    A flexible calendar choice for people and teams already working in Microsoft’s ecosystem.

    Visit siteFull verdict →
  • Nextcloud Calendar8.9/10 · Free plan

    A collaborative calendar for teams that want self-hosting, sharing, and booking links.

    Visit NextcloudFull verdict →

More comparisons

All calendar apps comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update