There are 2 file types use the .LIB file extension:
1. Generic Data Library
A LIB file contains a library of information used by a specific program. It may store a variety of information, which may include functions and constants referenced by a program or actual objects, such as text clippings, images, or other media. LIB files are typically referenced by applications and should not be opened manually.
Windows dynamic libraries typically have a .DLL file extension. Macintosh dynamic libraries often have a .DYLIB extension.
Updated: March 17, 2020
2. Finale Library
File created by Finale, a music notation production program; contains music notation data such as a set of chords or articulations, text expressions, or document settings; similar to the common LIB file shown above.
To create a LIB file simply select, check the type of library you want to save, click , choose your save location, name the file, and click .
To load the LIB file, select, navigate to the location of your LIB file, select the file, and click .
Updated: January 7, 2014