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Outlook does not have just one type of “shared calendar.” You can share your personal calendar with selected people, create a separate calendar for a department or project, or use a Microsoft 365 group calendar that is available to the group’s members.
The best option depends on whether you need shared scheduling, a team-owned calendar, or simply visibility into your own availability. The steps below apply to Outlook on the web and the current Outlook desktop app, with notes for classic Outlook where the menus differ.
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Choose the right Outlook calendar type
| What you need | Best option | Who owns the calendar? |
|---|---|---|
| Let coworkers see or manage your appointments | Share your existing calendar | You |
| Create a separate calendar for a project, rota, room, or department | Create a new calendar and share it | The account that created it |
| Give a team one calendar tied to conversations, files, and membership | Microsoft 365 group calendar | The Microsoft 365 group |
| Manage bookings for a mailbox, room, or resource | Shared mailbox or resource calendar | Your Microsoft 365 administrator or organization |
For most small teams, a separate calendar shared with specific people is the simplest approach. If the calendar should follow a team rather than one employee, use a Microsoft 365 group.
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How to create a shared calendar in Outlook on the web
This creates a separate calendar in your mailbox. It does not expose your existing personal calendar unless you choose to share that one instead.
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- Open Outlook on the web and sign in.
- Select Calendar from the left navigation.
- In the calendar list, select Add calendar.
- Choose Create blank calendar.
- Enter a name such as Project deadlines, On-call rota, or Marketing events.
- Choose a color if Outlook offers the option, then select Save.
The new calendar appears under My calendars. It is initially private to you.
Share the new calendar
- In the calendar list, point to the calendar you created.
- Select More options (the three dots), then choose Sharing and permissions or Share and permissions.
- Enter a person’s name or email address.
- Choose a permission level.
- Select Share.
Depending on your Microsoft 365 account and Outlook version, the permission names may vary slightly. The common levels are:
| Permission | What it allows | When to use it |
|---|---|---|
| Can view when I’m busy | Shows only availability | When people need to book around your schedule |
| Can view titles and locations | Shows basic appointment information | For general coordination |
| Can view all details | Shows the event subject, location, notes, and other details | For a trusted team |
| Can edit | Allows the person to create, change, and delete events | For coordinators or rota managers |
| Delegate | Gives broader calendar-management rights, where supported | Usually for an assistant or calendar manager |
Use Can edit sparingly. Someone with edit access can normally change or remove appointments on that calendar. For a simple team schedule, Can view all details is often enough for most members, with edit access reserved for one or two coordinators.
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The new Outlook for Windows uses much of the same interface as Outlook on the web.
- Open Outlook and select Calendar.
- Select Add calendar.
- Choose Create blank calendar.
- Give the calendar a name and select Save.
- Right-click the calendar, or select its More options button.
- Choose Sharing and permissions.
- Add people, select their permission levels, and confirm the sharing.
If you do not see Create blank calendar, select Add from directory only when you are trying to open somebody else’s existing calendar. That option does not create a new team calendar.
Create or share a calendar in classic Outlook for Windows
Classic Outlook has different menus, but the result is similar.
Create a separate calendar
- Open Outlook and select the Calendar icon.
- Select Home > Add Calendar > Create New Blank Calendar.
- Enter a name for the calendar.
- Choose where to place it, usually under My Calendars.
- Select OK.
Share it with other people
- In the calendar list, right-click the new calendar.
- Select Share > Calendar Permissions.
- Select Add, choose the people, and select OK.
- Select each person and choose the appropriate permission level.
- Select Apply, then OK.
To share your existing primary calendar instead, right-click your main calendar and use the same Share menu. Be careful: that shares your personal appointments according to the permission you assign. Creating a separate calendar avoids exposing unrelated meetings.
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A Microsoft 365 group calendar is different from a calendar you create under My calendars. It belongs to the group, so group members can use it without relying on one employee’s mailbox.
- Open Outlook on the web.
- Open People or the Groups area, depending on the version of Outlook you have.
- Select New group if the group does not exist.
- Enter the group name, email address, privacy setting, and members.
- Save the group.
- Open the group from the Groups list.
- Select Calendar.
- Select New event to add an event to the group calendar.
Group members can generally access the group calendar through the group. Adding an event to it does not necessarily work like sending an individual meeting invitation to every member. If attendance matters, add the required people as invitees in the event or send a separate meeting invitation.
Group calendars are useful for team deadlines, office closures, shared events, and recurring operational schedules. They are less suitable when you need fine-grained permissions for many unrelated individuals, because access usually follows group membership.
Add events to the shared calendar
- Open Calendar in Outlook.
- Make sure the shared calendar is selected in the calendar list.
- Select New event or click the appropriate time slot.
- Enter the subject, date, time, location, and notes.
- Check that the event is being saved to the shared calendar rather than your personal calendar.
- Add attendees if people must receive an invitation.
- Select Save or Send, depending on whether it is a calendar entry or a meeting.
A common mistake is opening a shared calendar, then creating an event while Outlook has silently selected the user’s primary calendar. Check the Calendar or Save to calendar field before saving.
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How to open someone else’s shared calendar
If another person has already shared a calendar with you, Outlook may add it automatically. If it does not:
- Open Calendar.
- Select Add calendar.
- Choose Add from directory or From address book.
- Search for the person, group, room, or shared mailbox.
- Select the result and add it to your calendar list.
You can also use the sharing email you received. Select its calendar link or Accept option, then return to Outlook and verify that the calendar appears in the left-hand list.
What to do when sharing does not work
| Problem | Likely cause | What to try |
|---|---|---|
| The recipient cannot see the calendar | The sharing request was not accepted, or the calendar is not in their list | Have them check their email, then use Add calendar > Add from directory. |
| The recipient sees availability but not details | The permission is set to busy-only | Raise the permission to Can view titles and locations or Can view all details. |
| The recipient cannot add or edit events | They have view-only access | Change their permission to Can edit. |
| A coworker outside the organization cannot be added | External calendar sharing may be blocked by an administrator | Ask your Microsoft 365 administrator about external sharing policies. |
| Changes are not appearing | Outlook has not synchronized, or the wrong calendar is open | Refresh Outlook, reopen the calendar, and confirm the event’s calendar field. |
| The calendar disappears after an employee leaves | It was created in that person’s mailbox | Move the process to a Microsoft 365 group, shared mailbox, or another centrally managed account. |
Can you create a shared Outlook calendar from a phone?
The Outlook mobile app is useful for viewing calendars and creating appointments, but its sharing and permission controls are more limited than Outlook on the web or desktop. For reliable setup, create the calendar and assign permissions in Outlook on the web first. Afterward, shared calendars may appear in the mobile app if the account and organization support them.
Security and administration considerations
- Do not give Can view all details access if the calendar may contain confidential information.
- Give edit access only to people responsible for maintaining the schedule.
- Use a Microsoft 365 group or shared mailbox for business-critical calendars instead of making one employee the permanent owner.
- Remember that meeting invitations and calendar permissions are separate. Seeing a calendar does not automatically make someone an attendee of every meeting.
- External sharing can be disabled by your organization, even when the Outlook menu allows you to enter an outside address.
FAQ
What is the easiest way to create a group shared calendar in Outlook?
In Outlook, open Calendar, select Add calendar, choose Create blank calendar, name it, save it, and then use Sharing and permissions to add the required people.
Is an Outlook shared calendar the same as a Microsoft 365 group calendar?
No. A shared calendar created under My calendars belongs to the account that created it. A Microsoft 365 group calendar belongs to the group and access generally follows group membership.
Can everyone edit an Outlook shared calendar?
Only people assigned an edit-level permission can normally create, change, or delete events. View-only permissions allow people to see availability or event details without changing the calendar.
Will sharing a calendar automatically invite people to every event?
No. Calendar access lets people view or manage the calendar. To make someone an attendee, add them to the event as an invitee.
Why can someone see that I am busy but not the appointment title?
Their permission is probably set to Can view when I’m busy. Change it to Can view titles and locations or Can view all details if they need more information.
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Possibly. Microsoft 365 administrators can restrict external calendar sharing. If the invitation fails or the recipient cannot open the calendar, contact the administrator.
The Bottom Line
For a normal team schedule, create a blank calendar in Outlook > Calendar > Add calendar, then assign permissions through Sharing and permissions. Use a Microsoft 365 group calendar when the schedule should belong to the team rather than one person. Before saving events, confirm that Outlook has selected the shared calendar, and add attendees separately when a meeting invitation is required.
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