Click in the search field or use keyboard shortcut Shift+Command+F to search. In the Toolbar, select the more icon More options, then Customize Toolbar….
Customizable toolbar: Choose commands to display in the Toolbar.Other new features in the new Outlook for Mac: Microsoft feels that this new toolbar helps reduce your visual clutter and helps you focus on what’s most important. Microsoft has replaced the ribbon with a new customizable toolbar. The major change in this new Outlook for Mac experience is the new toolbar on top.
The Microsoft sync technology offers faster and more reliable syncing experience, improved search results, reduced email load times, and enables Outlook for Mac team to bring more Office 365 features easily. This new Outlook for Mac uses Microsoft sync technology that already powers Outlook for iOS and Android and Windows Mail app. At Ignite 2019, Microsoft announced an all-new Outlook for Mac experience with redesigned UI, improved performance and several new features.
