Here's a quick look at the configuration options available for the tree in Marketo.
To change your workspace, click the large globe in the top left corner.
Then, choose a different workspace from the drop-down.
Right-click the workspace globe at the top of the tree to collapse all folders or access basic functions.
Collapse and Resize the Tree
To expand or collapse the tree, click the white triangle.
Hover over the sidebar border and drag the double-sided arrow left or right to resize the tree.