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Maple is a useful document manager that enables you to create your own hierarchical trees for storing information such as documents, notes, and images. Selecting Add Node from the Tree menu creates a new branch for your growing tree, which you can name or later rename. You can create unlimited nodes and sub-nodes and assign any document to each node. Clicking on the Delete Children button will delete all child nodes of a selected node. Choosing Collapse All or Expand All will expand or collapse