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    How to Create and Manage Shared Calendars in Microsoft 365

    6 min read
    Updated 5 February 2026

    Why Use Shared Calendars?

    Shared calendars help your team:

    • See when colleagues are available for meetings
    • Coordinate team schedules and rosters
    • Book shared resources like meeting rooms
    • Track project deadlines and milestones together

    Sharing Your Personal Calendar

    In Outlook on the Web

    • Go to outlook.office.com and sign in
    • Click the Calendar icon at the bottom left
    • Right-click on My calendars and select your calendar
    • Click Sharing and permissions
    • Enter the person's name or email address
    • Choose a permission level:
    - Can view when I'm busy: Shows only free/busy times - Can view titles and locations: Shows meeting names and locations - Can view all details: Shows full meeting details - Can edit: Allows them to add and change events
    • Click Share

    In Outlook Desktop

    • Open Outlook and go to Calendar
    • Right-click your calendar in the left panel
    • Select Sharing Permissions
    • Click Add
    • Search for and select the person
    • Choose their permission level
    • Click OK

    Creating a Shared Team Calendar

    Using Microsoft 365 Groups

    • Go to outlook.office.com
    • In the left sidebar, find Groups
    • Click New Group (or use an existing group)
    • Name the group (e.g., "Marketing Team")
    • Add team members
    • The group automatically includes a shared calendar

    Accessing the Group Calendar

    • In Outlook Calendar, look under Other calendars or Group calendars
    • Click the group name to show its calendar
    • Group members can add events visible to the whole team

    Adding Events to a Shared Calendar

    Adding a Team Event

    • Open the shared calendar
    • Click on the date and time for the event
    • Enter the event details (title, location, description)
    • The event will be visible to everyone with access to the calendar

    Colour-Coding Events

    Organise events by category:

    • Create an event on the shared calendar
    • Right-click the event
    • Select Categorise and choose a colour
    • Use consistent colours for different event types (e.g., blue for meetings, green for deadlines)

    Viewing Other People's Calendars

    In Outlook on the Web

    • Open Calendar
    • Click Add calendar in the left sidebar
    • Select Add from directory
    • Search for the person by name or email
    • Click Add
    • Their calendar will appear alongside yours

    In Outlook Desktop

    • Open Calendar
    • Click Open Shared Calendar in the ribbon
    • Enter the person's name
    • Their calendar will appear in the overlay view

    Side-by-Side View

    To compare multiple calendars:

    • Tick multiple calendars in the left panel
    • Each calendar displays in a different colour
    • Click the arrow on a calendar tab to overlay it on yours

    Managing Calendar Permissions

    Changing Permissions

    • Right-click your calendar
    • Select Sharing and permissions
    • Find the person whose access you want to change
    • Adjust their permission level or remove their access
    • Click Save

    Permission Levels Explained

    • Can view when I'm busy: Minimum access, shows free/busy only
    • Can view titles and locations: Good for team coordination
    • Can view all details: Full transparency, they see everything
    • Can edit: Full access to add, modify, and delete events
    • Delegate: Can act on your behalf, including responding to meeting requests

    Booking Meeting Rooms

    If your organisation uses room calendars:

    • Create a new meeting in Outlook
    • Click Add room or Room Finder
    • Browse available rooms
    • Select a room and time
    • The room is booked when you send the meeting invitation

    Tips for Shared Calendars

    Keep Calendars Updated

    • Mark time off, appointments, and focus time
    • Update events if plans change
    • Use "Tentative" for unconfirmed events

    Use Descriptive Titles

    • Include enough detail for others to understand the event
    • Add locations for in-person meetings
    • Include video call links for remote meetings

    Set Working Hours

    • Go to Settings > Calendar > Work hours
    • Set your standard working hours
    • This helps colleagues see your availability accurately

    Need Help?

    Contact our helpdesk at helpdesk@netlumait.com.au or call 1300 521 162.

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