Your OS shows you a generic icon for a .tpl (template) file. The Harmony Library shows you a live thumbnail of the character pose. You can scrub through animated templates to see exactly what the asset does before you import it.
The Harmony Library is distinct from a standard operating system folder. Its architecture consists of three primary components: toon boom harmony library
Some users ask if they should use software like Connecter or Eagle instead. While those are great for general 3D or image assets, they cannot read Toon Boom’s proprietary .tpl rig data. They see a generic file. The Toon Boom Harmony Library is the only tool that lets you preview bones, deformers, and master controllers before import. For Harmony-specific work, the native Library is non-negotiable. Your OS shows you a generic icon for a