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Microsoft Teams vs Outlook Calendar

Microsoft Teams logo

Microsoft Teams

Software

Meet, chat, call, and collaborate in just one place

From
Free
Rated
-
Full reviewWebsite
Outlook Calendar logo

Outlook Calendar

Software

Professional calendar management for Microsoft 365

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Microsoft Teams resource-heavy application; slow to load and consumes significant CPU/memory compared to alternatives; Outlook Calendar offline support limited to only past 30 days of events, older events unavailable
  • They diverge on capability: Microsoft Teams covers Chat & channels, Outlook Calendar covers Meeting scheduling.

Where they differ

Only the attributes on which Microsoft Teams and Outlook Calendar actually diverge.

Attributes where Microsoft Teams and Outlook Calendar differ
AttributeMicrosoft TeamsOutlook Calendar
Pricing modelsubscriptionUnknown

Identical on both: starting price (Free), free tier (Yes), platforms (Web, Windows, macOS, iOS, Android), user rating (Not yet rated), category (Unknown), founded (1975).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Microsoft Teams

  • Chat & channels
  • Video conferencing
  • Screen sharing
  • File collaboration
  • Office integration
  • Live events
  • Phone system
  • Apps & workflows

Only in Outlook Calendar

  • Meeting scheduling
  • Shared calendars
  • Room booking
  • Availability sharing
  • Recurring events
  • Microsoft Teams
  • Slack
  • Zoom

Both cover

  • SharePoint
  • OneDrive

What people use each for

The jobs each tool is most often brought in to do.

Microsoft Teams

  • Remote meetingsnot Outlook Calendar
  • Team collaborationnot Outlook Calendar
  • Document sharingnot Outlook Calendar
  • Project managementnot Outlook Calendar
  • Webinarsnot Outlook Calendar

Outlook Calendar

  • Schedulingnot Microsoft Teams
  • Appointment bookingnot Microsoft Teams
  • Time trackingnot Microsoft Teams
  • Resource managementnot Microsoft Teams
  • Team coordinationnot Microsoft Teams

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Microsoft Teams

  • Resource-heavy application; slow to load and consumes significant CPU/memory compared to alternatives
  • Limited channel structure; maximum of 200 public and 30 private channels per team
  • Cannot invite guest users to specific channels; guest access grants full team visibility
  • Unable to chat during screen sharing; limits real-time collaborative communication
  • Limited customization options for branding and interface; cluttered UX compared to Slack
  • Channels cannot be moved between teams; requires manual replication for reorganization

Outlook Calendar

  • Offline support limited to only past 30 days of events, older events unavailable
  • Shared calendars and group calendars not available offline
  • Cached Exchange Mode issues can limit available offline data
  • Occasional sync conflicts when coming back online

Pricing, plan by plan

Microsoft Teams

Free
  • FreeFree
    • Unlimited chat
    • 100 participants in meetings
    • 5GB file storage
  • Microsoft Teams Essentials$4/month
    • 300 participants in meetings
    • 10GB cloud storage
    • Phone & web support
  • Microsoft 365 Business Basic$6/month
    • Everything in Essentials
    • 1TB OneDrive storage
    • Web & mobile Office apps
  • Microsoft 365 Business Standard$12.5/month
    • Everything in Basic
    • Desktop Office apps
    • Webinar hosting

Outlook Calendar

Free
  • FreeFree
    • Outlook.com email and calendar
    • 50MB attachment limit
    • 1GB cloud storage
  • Microsoft 365 Basic$19.99/year
    • Outlook with limited features
    • Cloud storage
  • Microsoft 365 Personal$99.99/year
    • Premium Outlook
    • Ad-free email
    • 100GB mailbox storage
  • Microsoft 365 Business Basic$6/month
    • Business-class email
    • 1TB cloud storage
    • Microsoft Teams

Which should you pick?

Choose Microsoft Teams if

  • You need chat & channels.
  • You want to start without paying.
  • You work on Web, Windows, macOS, iOS, Android.
  • You also want video conferencing.
Microsoft Teams review

Choose Outlook Calendar if

  • You need meeting scheduling.
  • You want to start without paying.
  • You work on Web, Windows, macOS, iOS, Android.
  • You also want shared calendars.
Outlook Calendar review

Questions people ask

Is Microsoft Teams or Outlook Calendar better?
Neither clearly leads. Microsoft Teams starts at Free and Outlook Calendar at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Microsoft Teams or Outlook Calendar?
Microsoft Teams starts at Free and Outlook Calendar at Free.
Does Microsoft Teams or Outlook Calendar run on more platforms?
Both run on Web, Windows, macOS, iOS, Android, so platform support will not decide this one for you.
Can I use Microsoft Teams for free?
Both have a free tier, so you can try either at no cost before committing.
What is Microsoft Teams best used for?
Microsoft Teams is most often used for remote meetings, team collaboration, document sharing, project management. Of those, remote meetings and team collaboration are not what Outlook Calendar is typically brought in for.
What can Microsoft Teams do that Outlook Calendar cannot?
Microsoft Teams covers Chat & channels, Video conferencing, Screen sharing, File collaboration. Outlook Calendar covers Meeting scheduling, Shared calendars, Room booking, Availability sharing. Both handle SharePoint, OneDrive.

Answered from the vendors’ own pages

Microsoft Teams: Does Microsoft Teams have a free tier?

Yes. Microsoft Teams offers a free Home tier with unlimited chat, 60-minute group meetings for up to 100 people, 5GB cloud storage, and basic file sharing, though limits are restrictive for growing teams.

Source
Outlook Calendar: Is Outlook Calendar free?

Outlook.com with calendar is free via a Microsoft account. Outlook Calendar also comes with Microsoft 365 Personal ($99.99/year), Family ($129.99/year), or Business plans starting at $6/user/month.

Source
Microsoft Teams: What are Microsoft Teams' paid plans?

Microsoft Teams Essentials costs $4/user/month (chat, calling, meetings, 10GB storage). Microsoft 365 Business Basic costs $7/user/month (includes desktop Office apps, 1TB storage). Premium plans with Copilot start at $23.50/user/month.

Source
Outlook Calendar: Does Outlook Calendar work offline?

Outlook Calendar has limited offline support. New Outlook caches only the past 30 days of calendar items. Shared calendars and group calendars are not supported offline. Changes sync when you reconnect.

Source
Microsoft Teams: What are Microsoft Teams' primary features?

Teams provides real-time chat, video and voice calling, meetings with up to 300 participants, file sharing and storage integration with OneDrive, recording and transcripts, and deep integration with Microsoft 365 apps (Word, Excel, PowerPoint, Outlook).

Outlook Calendar: What platforms does Outlook Calendar support?

Outlook Calendar is available on Windows (desktop and web), macOS (desktop and web), iOS, and Android. Real-time synchronization works across all devices.

Source
Microsoft Teams: What integrations does Teams support?

Microsoft Teams integrates with calendar apps (Outlook, Google Calendar), project management tools (Trello), and works with Zapier for custom workflow automation. Teams also has native connectors to many Microsoft 365 apps and third-party services.

Outlook Calendar: Does Outlook Calendar integrate with Slack?

Yes. Outlook Calendar integrates with Slack to sync your status and receive meeting notifications. You can RSVP to invites directly in Slack and join Microsoft Teams meetings from Slack reminders.

Source
Outlook Calendar: Can you share calendars and set delegate permissions?

Yes. Outlook Calendar supports calendar sharing with delegate permissions, color categories for organization, and the Scheduling Assistant to view attendee availability for meeting times.

Source
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Related pages

More on Microsoft Teams

More on Outlook Calendar

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