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September 18, 2025 | Updated: October 30, 2025

Best calendar apps to simplify your schedule today

Keeping track of meetings, tasks, and priorities can quickly become complicated without the right tools. The best calendar apps go beyond basic scheduling—they help you manage time, coordinate with others, and stay focused throughout the day.

If you’re using Microsoft 3651, you already have access to some of the best calendar apps available. Tools like Outlook Calendar, the calendar in Microsoft Teams, and Microsoft Loop are designed to work together, offering a streamlined experience across devices and platforms.

Whether you’re organizing your own schedule or managing a team, stay on track with top calendar apps available with Microsoft 365.

Man checks out his schedule on his Microsoft Outlook Calendar app

What to look for in the best calendar apps

When choosing a calendar app, focus on features that streamline your day:

  • Integration with communication and task tools for seamless workflows
  • Collaboration capabilities for teams and shared projects
  • Real-time syncing across devices and platforms
  • AI-powered productivity for smart scheduling and automation
  • Clear, easy-to-use interfaces for quick event management

Microsoft 365’s calendar apps deliver these qualities, giving you a unified experience without the clutter of multiple third-party tools.

Outlook Calendar: Your core scheduling hub

Outlook1,2,3 is a central tool in Microsoft 365, tightly connected to your email, contacts, and tasks. Outlook Calendar can suggest meeting times based on everyone’s availability, supports multiple calendars (personal and shared), and syncs effortlessly across desktop, mobile, and web.

Key features include:

  • Intelligent meeting time suggestions
  • Time zone support and reminders
  • Automatic surfacing of relevant documents and meeting details

From packed meeting schedules to simple reminders, Outlook Calendar makes it easy to view, organize, and adjust your plans.

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Microsoft Teams: Designed for teamwork

If your days involve coordinating schedules, the the calendar in Microsoft Teams1,2 helps keep everyone aligned. Integrated directly into Microsoft Teams, the calendar lets you schedule meetings right from chats or channels and offers one-click access to video calls.

Key features include:

  • Shared calendars for collaborative planning
  • Real-time syncing with Outlook Calendar
  • Linking meeting notes, recordings, and follow-ups to events

The calendar in Teams helps ensure your team’s meetings and projects stay connected and up to date.

Microsoft Loop: Flexible planning for dynamic workflows

Microsoft Loop1,2 complements Outlook and Teams by offering a flexible workspace for managing tasks, timelines, and priorities. While not a traditional calendar, Loop’s components sync across Microsoft 365 apps, making it ideal for projects where schedules evolve rapidly.

Key features include:

  • Collaborative pages for organizing work and deadlines
  • Real-time updates across devices and team members
  • AI-powered suggestions to streamline planning

Loop is especially useful for planning complex projects where tasks and timelines change often and complements other Microsoft 365 scheduling tools, adding flexibility to how you organize shared work.

Simplify your schedule with Microsoft 365

Microsoft 365 offers top calendar apps designed to fit your way of working. Whether managing solo tasks or coordinating teams, Outlook, Teams, and Loop provide the flexibility and insight to organize your day, schedule meetings, and collaborate seamlessly.
Let Microsoft 365 help you stay organized, focused, and confident in handling any schedule.


DISCLAIMER: Features and functionality subject to change. Articles are written specifically for the United States market; features, functionality, and availability may vary by region.

1

Microsoft 365 Personal or Family subscription required; AI features only available to subscription owner and cannot be shared; usage limits apply. Learn more.

2

App availability varies by device/language. Features vary by platform. Minimum age limits may apply to use of AI features. Details.

3

Features apply to customers who have an @outlook.com, @hotmail.com, @live.com, or @msn.com account. Copilot features are available in Outlook.com, Outlook built into Windows, Outlook on Mac, and iOS and Android apps.

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