UNL File Documentation

Overview

Feature Value
File Extension .unl
File Type Garmin Unlock File
Primary Use Unlocking Maps on Garmin Devices
File Format Text
Encryption Yes, contains encrypted information
Usage Used by Garmin devices and software
Content Type Contains a unique unlock code
Creator Garmin
Text Format ASCII
Compatibility Only compatible with Garmin devices or software
File Generation Generated by Garmin software or MapSource
MIME Type text/plain
Editability Can be edited with text editor, but not recommended
Reusability Specific to the map and device, not reusable for other maps
Transferability Can be transferred to other Garmin devices owned by the same user
Security Contains security features to prevent unauthorized use
Generated By Garmin software or authorized dealers
File Location Typically placed in the root directory or specific map folder
Importance Crucial for unlocking purchased map's full features
Size Small, usually a few kilobytes