.LNST File Extension
File TypeAdobe InDesign Line Presets File
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
What is an LNST file?
Settings file used by InDesign, a page layout program; contains line style presets, such as thickness, dashed, dotted, and other styles; loaded by the application when showing line types within the user interface.