You can change notification sounds for emails and calendar events directly within the new Outlook app for Windows. In classic Outlook, you can choose whether to play a sound when a new email arrives.

You can change your Outlook theme in your account settings while logged in through a browser or in the Mac and Windows apps.

To change the default browser in Outlook 365, go to File > Options > Advanced, then scroll to “Link Handling” and set “Open hyperlinks from Outlook in” to your preferred browser, like Chrome.

Just like Windows, Microsoft’s Office programs offer a dark mode that is easy on the eyes in poor lighting conditions and reduces power consumption. Set this to “Black”. If you have already set ...