Adding a Second Email account to MS Outlook

Adding a Second Email account to MS Outlook

Please follow instructions based on the version of MS Outlook you are using, Classic (Older) Method 1 or New version Method 2..

Method 1. Adding a secondary Microsoft 365 email account to the New Outlook version.
New Version Icon looks like this:



Adding as a New Email Account

This method is for adding a completely separate 365 email account that you have full login credentials for.

  1. Open New Outlook:
    1. Launch the New Outlook application on your computer.

  2. Access Settings:
    1. In the top right corner of the Outlook window, click on the Settings gear icon.

  3. Go to Accounts:
    1. In the Settings pane, select Accounts > Email accounts.

  4. Add Account:
    1. Under the "Email accounts" section, click on Add Account.

  5. Enter Email Address:
    1. A dialog box will appear.
    2. Enter the full email address of the secondary Microsoft 365 account you want to add and click Continue.

  6. Enter Password:
    1. If prompted, enter the password for that email account and click Done or Sign in.

  7. Complete Setup:
    1. Outlook will attempt to configure the account automatically.
    2. Follow any additional on-screen prompts to complete the setup.
Once added, the secondary account will appear in your left-hand navigation pane, and you'll be able to access its folders, send emails from it, and manage its settings.

Method 2.  Adding a Separate Microsoft 365 Email Account (with its own login) to the Classic Version of Microsoft Outlook
Classic Version icon looks like this:


This method is for adding an entirely separate 365 email account that you have distinct login credentials for.

  1. Open Classic Outlook:
    1. Launch the Classic Outlook desktop application.

  2. Go to File Tab:
    1. In the top-left corner of the Outlook window, click on the File tab. This will open the "Backstage view."

  3. Click "Add Account":
    1. Under "Account Information," you'll see a large button that says + Add Account. Click on it.

  4. Enter Email Address:
    1. A new window will appear.
    2. Enter the full email address of the secondary Microsoft 365 account you want to add and click Connect.

  5. Enter Password:
    1. Outlook will likely try to auto-discover the settings.
    2. If prompted, enter the password for that email account and click Sign in or OK.

  6. Multi-Factor Authentication (MFA):
    1. If your organization uses MFA, you may be prompted to complete a second verification step (e.g., approve a notification on your phone, enter a code from an authenticator app, or use a security key).

  7. Complete Setup:
    1. Follow any additional on-screen prompts.
    2. Outlook should successfully configure the account.

  8. Finish:
    1. Once the setup is complete, click Done or Finish.
    2. You may be prompted to restart Outlook for the changes to take effect.

After restarting, the new account will appear in your left-hand navigation pane, and you'll be able to access its folders, send emails from it, and manage its settings.

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