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You can figure out whether you are using Outlook Classic or Outlook New by the top task bar on the top of the window. Classic will have a File tab, while New will not.

microsoft_office_outlook_logo_icon_145721.webp Outlook Classic

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apps.46065.14374512070697751.b8c0d5fc-cec2-42f9-924b-60723d59e3f2.b69611ff-648d-4827-9bb1-8a7bc4653719.png Outlook New

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Info

If you’re using the new Outlook New, please follow the instructions for adding a shared mailbox to Outlook (New) instead.

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  1. Open Outlook Classic.

  2. Click on the File tab in the ribbon near the top of the window.

  3. Click on the + Add Account button (This button is located in the Info tab, and is titled Account Information).

  4. Type the 8-character username of the shared mailbox @uwaterloo.ca, then click the Connect button.

  5. Click the Back button at the window prompting you to type the password for the shared mailbox email address.

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  6. Edit the username to match your own 8-character username email (watiam+@uwaterlooex. username@uwaterloo.ca) then click the Next button.

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  7. Enter your password and then click the Sign in button.

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  8. Complete the DUO 2-Factor Authentication. 

  9. Click the Done button.

10.  Quit/close the Outlook app and then relaunch to access the mailbox.

Disable the Offline Cache for the Shared Mailbox

It is important to disable offline cache if you added a shared mailbox in Outlook to have real-time synchronization with the email server. This prevents duplicate responses and calendar conflicts.

How to disable offline Cache:

  1. Click the File tab at upper-left of the Outlook window.

  2. Click Account Settings to open a drop-down menu, and then click Account Settings….

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  1. In the new pop-up window, navigate the the Email tab. Then, double-click on the shared mailbox email address.

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  1. Uncheck Use Cached Exchange Mode to download email to an Outlook data file.

  2. Click Next.

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  1. On the new window, click Done.

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  1. Close all Outlook windows. Restarting Outlook is needed to allow the application to apply the changes.