Manual/Studio Overview/Customization/Quick access toolbar
Studio Overview – Quick Access Toolbar
The top-left region in the Studio menu bar is called the Quick Access Toolbar and it contains shortcuts to various buttons and commands in Studio. You can freely add, remove, and rearrange actions in this section.
To quickly customize the Quick Access Toolbar, click the small arrow to the right of the toolbar. This will reveal a dropdown menu that lets you enable and disable items in the bar.
To add and remove buttons, as well as change the order of the buttons, select Customize... from the dropdown menu mentioned above. Here you can search for actions and manage the buttons that appear in the toolbar.