How to add an additional Outlook account (Windows)

This article will show you how to quickly add an additional Outlook account (for a department email or alternate email address) in the desktop version of Outlook for Windows.


  1. Open up the Outlook app from your desktop or start menu.

Outlook icon on taskbar  Outlook icon from start menu

  1. You should already be signed into your normal Buffalo State network account. If not, sign into this first.
  2. Once signed in, select File in the top left corner

 "File" Tab on the top toolbar in Outlook

  1. Ensure Info is selected in the top left corner, and then select Add Account underneath your listed email account. 

Account that is signed into Outlook, with an "Add account" button underneath.

  1. The Outlook sign in page will open. On this page, input the Email address in which you would like to sign in with. 

An outlook sign in page with a text box for entering an email.

  1. If it is a Buffalo State email account, it will prompt the Buffalo State sign in process. Re-enter the username for the account and then enter the password on this page. Complete the MFA verification if prompted. 

Buffalo State sign-in

  1. On the next page, be sure to un-check the box next to Allow my organization to manage my device. Then click No, sign into this app only, and NOT OK. 

Microsoft dialog box that reads "Stay signed in to all your apps". A checkbox is underneath that reads "Allow my organization to manage my device".

  1. Once you see the Account successfully added screen, you will have to restart Outlook to see the changes take place. Click Done, then close out of Outlook, then re-open. 

Microsoft dialog box that reads "Account successfully added. You need to restart outlook for these changes to take effect."

  1. You should see the alternate email account listed under the account that was previously signed in. You may have to scroll past other inboxes/folders you have listed in outlook. 

From here, you will be able to view, send, and reply to messages from the alternate email account.

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