You can right click a Folder and select the Delete option to delete it.
To Delete a Folder
In Globodox, select Workspace > Folders in the Navigation pane.
Select the Folder you want to delete.
Right click that Folder and select the Delete option or hit the Delete button on the keyboard to delete the Folder. Note: If you delete a folder the documents in it will not be deleted. They will be displayed in the All Documents node.
If you delete a parent folder its sub folders will also be deleted.