Share calendar with group of users

Hi AB21805,

You can share your calendar with a group of users in Microsoft 365 by using either a security group or a distribution list that includes multiple users.

To share your calendar with a security group, follow these steps:

1. Create a security group in the Exchange admin center and add the desired users to the group⁴.
2. Open your calendar in Outlook.
3. Click on the Share button in the top ribbon.
4. Enter the email address of the security group you created in step 1 in the Share with field.
5. Choose the level of access you want to grant to the group members.
6. Click Send.

To share your calendar with a distribution list, follow these steps:

1. Create a distribution list in the Exchange admin center and add the desired users to the list⁴.
2. Open your calendar in Outlook.
3. Click on the Share button in the top ribbon.
4. Enter the email address of the distribution list you created in step 1 in the Share with field.
5. Choose the level of access you want to grant to the group members.
6. Click Send.

Calendar sharing in Microsoft 365 - Microsoft Support

Sharing a calendar to a distribution group in Office 365 - Microsoft Community