The MapSource program, which is used to adage maps for the Garmin GPS device uses he UNL extension.
UNL is used as a backup file for MapSource data.
.unl File
Extension
Developer:
Garmin
档案类别:
什么是 unl 档案以及打开它的方法 - Garmin Mapsource Unlock File
档案类别:
开发商:
Garmin