Office 365, Outlook Online, Open a Shared Mailbox

Offices and courses often have at least one shared mailbox for voice mail, responding to inquiries, projects, and more. Follow the steps below to open a shared mailbox in Outlook Online (Webmail).

NOTE: To open a shared mailbox in Outlook Desktop, see similar articles here.

Sign in as yourself, including Duo MFA.

Microsoft sign-in prompt

Once signed in, select user icon, top-right and choose "Open another mailbox..."

OWA menu with correct option circled

Search for the shared mailbox email address, i.e. example@business.illinois.edu or business-example@mx.uillinois.edu

Search for shared mailbox

Select the mailbox from the list and choose "Open"

OPen shared mailbox from search results

The mailbox will open in a new tab, which can be bookmarked for easy access.