Link To File:
Get a public link to file in your Workspace to download it. Any link always point to the latest version of a file.Link To Folder:
The owner or administrator of a folder can get a public link to it in order to allow 'guest' users to access to the content of the folder (and its sub-folders). The 'guest' user will access in read-only mode and it will can navigate the content and download files of the folder (and its subfolders).