Microsoft Outlook plays default windows new mail notification sound on the arrival of new message. Users can enable to sound notification using the option available as part of Outlook Settings. Listed below are the steps to enable sound for new mail and to change the sound for new mail notification in Outlook 2013 and Outlook 2010
Message Arrival Setting
Step 1: Click File menu and select Options from the menu list.
Step 2: In the Outlook Options window, navigate to Mail Options and Scroll down to Message Arrival section.
Step 3: Mark the check box with label as “Play a sound” to enable sound notification. The sound played for new mail notification is the default Windows Mail Notification sound.
Changing new mail notification sound in Windows 8.1, Windows 7 and Windows Vista
Outlook 2013 users can change the sound played for new message arrival using the Sound Settings available as part of Windows Control Panel.
Step 1: Launch Control Panel on Windows 8 by right clicking bottom left corner on the desktop.
Step 2: Click the Hardware and Sound options available under Adjust your computer’s settings.
Step 3: Navigate to Sound section and click Change system sounds option.
Step 4: In the Sound tab, scroll down the Program Events and select New Mail Notification.
Step 5: Click the Browse button and pick the new .wav file for New Mail Notification.
Step 6: In the above example, I have selected Windows Notify sound for the New Mail Notification.
Click Ok to confirm and save the changes, you can also save and enter a new scheme name using the Save As button.