Shared mailboxes stop updating automatically. The shared mailbox status in the bottom bar in Outlook Desktop will show “Updating this folder”. In addition, you can confirm this is the issue by looking at the Sync Issues folder of the primary Exchange account in the Outlook profile.

Learn how to open a shared mailbox in Outlook. Shared mailboxes let a group of users view and send email, and share a calender, and open a contact list from a common mailbox.

For example, you can share a single mailbox across several individuals where all incoming and outgoing mail are from that mailbox. Or you can share one or more folders, or your entire mailbox with others. You can even allow others the ability to manage your calendar or mailbox.

This article discusses issues after you enable Shared Calendar Improvements as detailed here: Outlook calendar sharing updates. STATUS: INVESTIGATING. The Outlook team is currently investigating the following issues and will update this article when more information becomes available.

Learn how to open a shared mailbox in the Outlook Web App. Shared mailboxes let a group of users view and send email, and share a calendar, from a common mailbox.

To open the shared mailbox: In the Tools menu, choose Accounts, and select the account that has access to the mailbox. Select Delegation and Sharing. Choose Shared With Me tab. Choose + to add a shared or delegated mailbox.

To access a shared mailbox on a mobile device, use the following steps. Sign in to your primary account in Outlook for iOS or Android. Tap the Add Account button in the left navigation pane, then tap Add a Shared Mailbox.

This issue has been fixed in the service and verified on service builds starting with 15.20.5588.10. WORKAROUND. You can work around this issue by taking the following steps: Remove the affected calendar (s) from Outlook Desktop. Enable “Turn on shared calendar improvements” in the Calendar Properties.

A shared mailbox is a mailbox that multiple users can use to read and send email messages. Shared mailboxes can also be used to provide a common calendar, allowing multiple users to schedule and view vacation time or work shifts.

This article describes how to share and access a calendar that can only be viewed. This means the people you're sharing it with, can't make changes to it. To give someone permissions to edit a shared calendar, see Share and access a calendar with edit or delegate permissions in Outlook.