The LID file extension is used for backup of library files used in Scholar's Aid program.
Stores album information for photos and videos captured with a Kodak EasyShare camera; defines what album each photo or video is stored in; used to organize and keep track of different sets of photos and videos. LID files are used by the EasyShare software included with the camera; they are saved in the same directory as the image files, but do not contain actual image data.
The LID file extension is used by LabelVision, a next generation labeling system, for files that contain auto incrementing values.