The File Property Enhancer plugin enhances the usability of file properties in Obsidian by allowing users to add icons or emojis to file properties and customize their display. This feature improves visual organization and makes it easier to manage metadata in notes. Users can access an icon/emoji picker to replace existing icons with their desired choices. The plugin aims to expand its functionality in the future with additional features like custom property types, property filters, and goal settings for numeric properties.