FileInfo.com


.LIB File Extension


File Type Generic Data Library
File Format File
Common? No
File Description Library of information used by a specific program; often contains functions and constants referenced by a program; may also contain actual objects, such as text clippings, images, or other media; typically referenced by applications and should not be opened manually.

NOTE: Windows dynamic libraries typically have a .DLL file extension; Macintosh dynamic libraries often have a .DYLIB extension.
Program(s) that open lib files Mac / Windows: Various programs

Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/lib