USB dongles are small, portable devices that are used to authenticate software licenses, provide security, and enable hardware-based encryption. They are widely used in various industries, including engineering, architecture, and software development. One such dongle is the ProEse Link, a USB-based license token used to activate and validate ProEse software. However, like any other electronic device, USB dongles can fail or become corrupted, leading to data loss and software inaccessibility. In this essay, we will discuss the importance of backing up USB dongle data and provide a step-by-step guide on recovering a 2012 ProEse Link dongle.