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M365 Outlook (How To) Access Another User's Calendar

Within Microsoft 365, you have the ability to interact with other calendars. Depending on the permission levels you have been granted, you will be able to act on these permissions (Free/busy, Read, Write, etc...).

Access a calendar via Outlook 2016 for Windows

When another individual shares their calendar with you, you will receive an email. You can view the message and click Open this Calendar in the top-left corner of the email message. If you are having trouble viewing this email or opening the calendar from the email, you can follow the steps below to open the calendar manually.
  1. Within Outlook, click Calendar.
  2. Next, click the Home tab.
  3. In the Manage Calendars group, click Open Calendar.
  4. Select Open Shared Calendar... from within the drop-down menu.
  5. Type a name in the Name box, or click Name to select a name from the Global Address Book. This does not search against your personal contact list.
Important: If you receive the error "The folder you selected is not available", use the following steps to open the calendar:
  • Right-click on "My Calendars" within the calendar folder listing.
  • Select Add Calendar | Open Shared Calendar...
  • Type a name in the Name box, or click Name to select a name from the Global Address Book.

Important: The account must be visible in the Global Address List (GAL)


Remove a calendar via Outlook 2016 for Windows

Important: Performing this action only removes the calendar from your view, it does not delete any data.

  1. Within Outlook, click Calendar.
  2. Next, click the Home tab.
  3. From the navigation panel, locate the calendar you want to remove/delete and right-click it.
  4. From the sub-menu that appears, click Delete Calendar.

Access a calendar via Outlook 2016 for Mac

Important:
  • To open another user's calendar, you must have a minimum of "Folder visible" permissions.
  • The account must be visible in the Global Address List (GAL)
  • To view events other than those you have created yourself, you must have a minimum of "Full details / Can view all details" permissions.
    1. With Outlook for Mac running, open the File menu, point to Open, and then click Other User's Folder.
    2. Click in the search bar and type the name of the person who granted you access. Then click the name so it is highlighted.
    3. Select the Folder Type drop down and choose which folder you wish to open. Calendar, Address Book, or Inbox. Then click Open. The Shared folder appears in the navigation pane under the Shared heading. You may need to select the calendar to which you just subscribed in order to view the events within this calendar.
    4. If you are prompted to allow this server to configure your settings, place a checkmark within the "Always use my response for this server" and click Allow.