Calendar Problems

How to Create an Administrator-Managed Shared Outlook Calendar

Maira Mehtab Oct 13, 2026 868 views

Question details

The user needs to set up a shared Outlook calendar for a company that is independent of individual employee accounts and can be managed by authorized members.

How to Create an Administrator-Managed Shared Outlook Calendar

Product: Microsoft 365 / Outlook
Device & OS: not provided
Scenario: Creating a centralized company calendar for tracking team availability, locations, holidays, and schedules.
Observed behavior: The goal is to successfully configure a Microsoft 365 shared mailbox so that its built-in calendar can be accessed and edited by designated team members.

Before you start

Ensure you have Microsoft 365 administrator privileges, as creating a shared mailbox requires active access to the Microsoft 365 admin center.

Solution 1Recommended

Set up a Shared Mailbox via Microsoft 365 Admin Center

Creating a shared mailbox is the most effective way to generate a centralized, admin-managed calendar that does not rely on a single user's account.

A Microsoft 365 shared mailbox acts as an independent entity. When created, it automatically provisions a shared calendar that authorized users can access directly from their own Outlook accounts.

Access the Admin Center

Navigate to Shared Mailboxes

In the left-hand navigation pane, expand 'Teams & groups' and select 'Shared mailboxes'.

Add a Shared Mailbox

Click the 'Add a shared mailbox' button, enter a descriptive name and email address for the shared calendar, and save the changes.

Assign Members

Select the newly created mailbox, click 'Edit' next to Members, and add all the authorized users who will need access to view or manage the calendar.

Set up a Shared Mailbox via Microsoft 365 Admin Center

Automatic Calendar Generation: Once the shared mailbox is successfully created, a shared calendar is automatically generated and permanently linked to it.

Solution 2

Open and Manage the Shared Calendar in Outlook

After the administrator sets up the shared mailbox, authorized members must add the calendar to their local Outlook application to begin scheduling.

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Frequently Asked Questions

Do I need an extra license for a Microsoft 365 shared mailbox?

No, shared mailboxes up to 50 GB do not require an additional Microsoft 365 license. Only the individual users accessing the shared mailbox need to have their own active licenses.

Can users access the shared calendar on their mobile devices?

Yes. Once members are granted access to the shared mailbox in the admin center, they can add the shared calendar within the Outlook mobile app for iOS or Android.

How do I remove an employee's access to the shared calendar?

An administrator can revoke access by logging into the Microsoft 365 admin center, locating the specific shared mailbox under 'Teams & groups', editing the Members list, and removing the user.

Outlook & Email Problems