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.

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.

Shared folders. Choose to share one or more folders in your mailbox with other people in your organization. You can set the level of access to each person you're sharing with by granting view-only, edit, or delegation privileges. There are two types of delegation privileges. You can choose to have people send on your behalf, or send as you.

In the Sharing and permissions page, type the name or email address of the person you want to share your calendar with and assign delegate access. Though you can share your calendar with more than one person, you can only add one person at a time from Outlook on the web.

You can choose to receive email notifications when someone updates an event on a calendar that's shared with you. Receive calendar updates. In Outlook select Settings > Calendar > Shared calendars.

When you try to share a calendar by using Microsoft Outlook, Outlook on the web, or Exchange Online PowerShell, you receive one or more of the following errors messages. Outlook for Windows. This calendar can't be shared by one or more people. Outlook on the web.

Outlook for Microsoft 365. We've made major updates to the way Outlook for Windows connects to and updates shared calendars. These improvements are available to all Outlook 365 customers that are using the latest Monthly Enterprise Channel, Current Channel, or Semi-Annual Enterprise Channel.

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.

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.

To share one or more folders or to share your entire mailbox with others in your organization, follow these steps: Navigate to the folder you want to share. Right-click on the folder and choose Sharing and permissions.