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Microsoft 365

Shareable online calendar app

Connect, organize, and get things done efficiently with a free personal email account and online calendar.
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Keep your busy life organized

Easily collaborate and share information with friends, family, and colleagues with an online calendar. Plan meetings, events, and appointments and access them from your device at home, at work, or on the go.

Calendar app features

Learn some of the common features and functionalities of online calendar apps.

Event creation

Create events, appointments, or meetings and include key information such as title, location, date, and time. With an intuitive platform, you can easily modify your online calendar and edit the details as needed.

Event reminders

Stay on top of important commitments. Establish reminders for upcoming events so you know what’s happening and when.

Integrations with other tools

View and manage your schedule, tasks, and to-do lists in one place using built-in integrations with other productivity tools or apps.

Customizable appearance

Modify your online calendar to suit your preferences, needs, and personality. Explore various colors, labels, tags, calendar views, and other settings to visually organize your calendar.

Synchronization across devices

Online calendars automatically sync across devices, allowing everyone who’s connected to a calendar account to view the same information.

Automatic updates

Online calendars can incorporate holidays and daylight saving time changes. You can set up recurring events, too.

Benefits of using an online calendar

Online calendars are powerful collaboration tools and make it easier to coordinate activities with others—for both your work and personal life. This collaborative aspect enhances communication and ensures that everyone involved is on the same page, fostering a more efficient and synchronized approach to shared responsibilities.

Automated reminders and alerts are some of the most common and helpful features in calendar apps. You can set reminders for important events or deadlines and receive notifications for them—through your email or smartphone, for example—well in advance. Additionally, online calendars typically work well with related tools, such as time management or productivity apps, helping you stay on top of key commitments, tasks, and appointments.

An online calendar like the built-in one in Outlook has a user-friendly interface that helps you simplify scheduling. Create appointments, organize meetings, view group calendars, and personalize yours with colors and sounds to quickly identify important items and set event reminders. You’ll also have access to productivity tools like Microsoft Copilot for Microsoft 365 and your favorite Microsoft 365 apps.

A calendar app is a convenient and efficient tool for personal and professional use. Whether you’re looking to keep track of work meetings for your department or maintain a family calendar with important events and appointments, a shareable online calendar can be a helpful planning tool.
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Streamline your workflow with Outlook

Use your online calendar with your favorite Microsoft 365 apps. Add Teams meeting links to invites, attach SharePoint files or docs to review before the meeting starts, and track responses or follow up via email.

Shared calendar planner and scheduling

An online calendar planner offers a range of features that enhance scheduling, organization, productivity, and collaboration. Explore the capabilities of a shareable calendar app for both your professional and personal life.

Scheduling tools

The scheduling tools within a shared calendar app are designed to help you efficiently manage events. In addition to the features mentioned earlier, an online calendar typically offers you the ability to:                                                                                                                                     
  • Create specialized reminders and alerts: Customize reminders and receive alerts across devices for upcoming events to stay on top of important plans and deadlines.                                                                                                                                                      
  • Change the display: View your calendar across a week, month, or year. Or look at multiple calendars side by side to get a complete look at your schedule and adjust the meeting times if needed.                                                                                                                                     
  • Set up recurring events: Save time and streamline scheduling for regular activities, like a weekly meeting, monthly report submission, or an annual event.                                                                                                                                      
  • Combine email and task management: Integrate common tools with an online calendar to create events directly from emails, convert emails into calendar events, and synchronize tasks, as well as provide a consolidated view of your schedule and to-do list.                                                                                                                                     
  • Plan across time zones: Create events with participants across various locations and set events in different time zones, ensuring accurate coordination.

Collaboration tools

Collaboration tools help you foster teamwork and coordination through shared calendars, real-time updates, and communication features. Popular components of these tools allow you to:                                                                                                                                     
  • Create or access real-time updates: Make changes or stay up to date on the latest updates in a shared calendar.                                                                                                                                      
  • Set up invitations and RSVPs: Allow people to send invitations for events to others, providing visibility into attendance and helping organizers plan accordingly.                                                                                                                                      
  • Manage privacy settings: Specify who can access or edit your calendar, ensuring that sensitive information is shared only with authorized individuals.                                                                                                                                      
  • Enable comments and attachments: Let people add comments and attachments to calendar events and provide relevant, timely information.

Calendar app resources

Frequently asked questions

  • To create a shared calendar online, first select a service like Microsoft Outlook. In Outlook, select the Home tab, then “Add Calendar” on the left below the calendar grid, followed by “Create blank calendar.” From there, enter a name for your online calendar and save it. When you’re ready, select “Share calendar.” Add the email addresses of people you want to share it with, setting their viewing or editing permissions. Once shared, they'll receive an invitation to access the calendar.
  • Yes, Microsoft offers a Mail and Calendar app, for example, that offers a free online calendar that can be shared with others. Download the app.
  • Many online calendars have sharing capabilities, but features may vary. When considering a calendar app, look for permissions settings or invite options, which will give you the ability to add people to your shared calendar.
  • A best practice is to designate one calendar as your primary calendar. From there, you have options to differentiate them and help yourself stay organized. For example, if you have multiple Outlook calendars, you can assign different names to them, such as “work” and “personal,” and color-code events.
  • Create an online calendar through a website or app, and then add your family members to it. You’ll then be able to choose the permissions each person has when using the calendar.

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