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Outlook Calendar

Professional calendar management for Microsoft 365

As of 30 August 2026, Outlook Calendar has a free plan and paid plans start at $6/month. Outlook Calendar is Microsoft's powerful scheduling and time management solution integrated within Microsoft Outlook and Microsoft 365. Softwr lists it under Calendars. Outlook Calendar is made by Microsoft, launched in 1975, available on Web, Windows, macOS, iOS.

Overview

What Outlook Calendar does

Outlook Calendar is Microsoft's powerful scheduling and time management solution integrated within Microsoft Outlook and Microsoft 365. It offers robust meeting scheduling, shared calendars, room booking, and seamless integration with Microsoft Teams, making it ideal for enterprise environments.

What people use it for

  • Scheduling
  • Appointment booking
  • Time tracking
  • Resource management
  • Team coordination

The honest half

Where it falls short

Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about 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

Cross-shopped

What people choose instead of Outlook Calendar

Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.

Pricing

What Outlook Calendar costs

Taken from the vendor's own pricing page. Prices move, so check before you buy.

Free

Free

  • Outlook.com email and calendar
  • 50MB attachment limit
  • 1GB cloud storage

Microsoft 365 Basic

$19.99 /yr

  • Outlook with limited features
  • Cloud storage

Microsoft 365 Personal

$99.99 /yr

  • Premium Outlook
  • Ad-free email
  • 100GB mailbox storage
  • Office apps on one device

Microsoft 365 Business Basic

$6 /mo

  • Business-class email
  • 1TB cloud storage
  • Microsoft Teams
  • Web-based Office apps

Capabilities

Features

  • Meeting scheduling

  • Shared calendars

  • Room booking

  • Availability sharing

  • Recurring events

  • Microsoft Teams

    Integration with Microsoft Teams

  • OneDrive

    Integration with OneDrive

  • SharePoint

    Integration with SharePoint

  • Slack

    Integration with Slack

  • Zoom

    Integration with Zoom

  • Web support

    Available on web

  • Windows support

    Available on windows

Answered, with sources

Questions people ask

Each answer names the page it came from, so you can check it rather than take our word for it.

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
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
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
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
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

Behind it

Who makes Outlook Calendar

Company
Microsoft
Based in
Redmond, Washington
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Softwr does not host reviews and shows no star rating for Outlook Calendar, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.

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