Exchange Online: Desktop Client Setup

Once an Exchange Online account has been set up, it can be accessed from a desktop or laptop computer, tablet, or smartphone. Microsoft Outlook is the preferred client for use with Microsoft Exchange. Microsoft Outlook is available for Windows, macOS, iOS, Android OS, and through a web browser. Some features, such as online archiving, will not work in non-Outlook clients.

Microsoft announced changes to its higher educational licensing in August 2023, effective mid-2024, that will affect Microsoft OneDrive, Exchange email, Teams, and SharePoint storage limits. Please take steps to eliminate large email messages that you don't need from your Microsoft Exchange account.

Exchange Online: Configure Outlook for Windows

  1. Start Outlook. The New Profile wizard opens.
  2. Type a name for your Profile. Click OK.
  3. If it does not automatically populate, type your UD email address (
  4. Click Advanced options, and check the "Let me set up my account manually" checkbox.
  5. Click Connect.
  6. Choose Office 365.
  7. When prompted, log into your Exchange account. Your user name is your full UD email address, and your password is your UDelNet password. You will need to approve MFA or provide your MFA code.
  8. If Prompted, click Yes to allow this organization to manage the account.
  9. After Outlook configures your account, click Done.
  10. Outlook opens.
  11. Leave the Use Cached Exchange Mode box checked.
  12. Drag the Download email for the past slider all the way to the right so that it is set to AllIf you are running low on hard drive space, leave this setting at its default (1 year). 
  13. Click Next.
  14. Click Done.
  15. Close the web browser window that opens. 
  16. Outlook opens and is ready for use.

Exchange Online: Configure Outlook for macOS

  1. After installing Office, open Outlook from the Applications folder. If prompted, install any updates before continuing.

    If Outlook opens directly to email instead of going to set up wizard, follow these steps:

    • Go to the Tools menu.
    • Click the (+) sign.
    • Choose New Account.
    • Proceed to step 5 below.
  2. Click Get started.
  3. Choose your theme, then click Continue.
  4. Click Start Using Outlook.
  5. Enter your UD email address.
  6. If you see the Gmail logo, click Not Gmail.
  7. Click Office365.
  8. Enter your UDelNet password, and click Sign in. When prompted, authenticate with Microsoft MFA. You may be prompted to log in again. Type your full UD email address in the User name field, and type your UDelNet password. Checking the Remember this password in my keychain box is optional. Click OK.
  9. Click Done.
  10. Close the accounts window. Outlook is ready to use.

Exchange Online: Configure macOS mail

  1. Start Mac Mail by selecting Mail from the dock or Applications Folder.
  2. Choose Exchange from the list of Mail account providers, and then click Continue. Note: If you currently use Mac Mail with other email accounts, you will need to go to the Mail menu, and choose Add Account before you can choose Exchange.
  3. Type in your name, your UD email address, your UDelNet password, and then click Sign In.
  4. Click Sign In.
  5. Enter your UD password, and click Sign in.
  6. Approve the request to sign in, or provide the Microsoft MFA code.
  7. Choose the apps that you want to synchronize with your Exchange Online account, and click Done.
  8. Mac Mail is now ready to use. It may take time before all your email and calendar appointments appear.

Log in to Outlook on the Web (OWA)

Web access to your account is available from a Web browser on any device. Point the browser at and log in with your UD email address and password.