• Open and use a shared mailbox in Outlook - Microsoft Support

• Send email from a shared mailbox in Windows Outlook

• Access a shared mailbox in Windows Classic Outlook

• Access shared mailbox via Outlook Web App (OWA)

• Access shared mailbox via Mac Outlook

Send Email from a Shared Mailbox Email Address 

Windows Classic Outlook

1. In a new message, go to the Options tab and select the From in the Show Fields section

2. Select the From > Other email address...

3. In the new window that pops up, select the From button.  Search for the mailbox name in the Global address list

   1. NOTE:  You must choose it from the GAL and not enter it by hand

Windows New Outlook

1. In a new message, go to the Options tab and select the From checkbox in the ribbon.

2. Select the dropdown next to the From, start typing in the M365 email address you would like to send from.

   1. When the email pops up in the “Suggested contacts”, select it.

   2. Once you have done this once, it will be an option in the From dropdown in future new messages.

Outlook Wep App (OWA)

If you are connected the resource mailbox via OWA, new messages and replied to messages will come from the resource mailbox address.

Access Shared Mailbox with Windows Classic Outlook

To add the mailbox to your PC Outlook folder list, please do the following:

• In Outlook, Go to the File Tab

  • 

• Choose Account Settings> Account Settings

  • 

• Select Change

  • 

• Select More Settings

  • 

• Advanced Tab

• Select Add

• Enter:  <Enter the mailbox address or display name>

• Select OK… until you get through all the windows.

• The mailbox will now be in your folder list

Access Shared Mailbox via Outlook Web App (OWA)

You can also view the mailbox via a web browser. When you send a message in OWA in comes "from" the mailbox you are viewing.

Option 1:

https://outlook.office.com/mail/<mailbox email address>

For example:

https://outlook.office.com/mail/ecac@engr.utexas.edu/

When prompted for a user name and password on the UT login page, enter your EID and EID password.

Option 2:

• Log into your own mailbox, https://outlook.office365.com.

• Once logged in, choose your initials in the top right corner and select "Open another mailbox"

• In the search box, enter the display name or the email address of the mailbox

• When the mailbox is found, select it and select "open".
  
  

Access Shared Mailbox via Mac Outlook

1. File > Open > Shared Mailbox

2. Search for the email address of the mailbox

3. Select Add.