.LSF File Extension
File Type 1Logos Library System File
What is an LSF file?
Data file used by Libronix Digital Library System (DLS), a program used by other applications for digital book management; saved alongside a .LIX file, both of which must be present to read the book.
Libronix DLS is a subsidiary of Logos Bible Software and is used in the Logos software for downloading translations of the Bible and other religious books.
File Type 2Streaming Media Format
.LSF File Association 2
Streaming audio or video file; similar to a .ASF file.