|File Type||Dynamic Link Library|
|File Format||Proprietary (Microsoft)|
|Usage||Referenced by an application; not meant to be opened manually|
|Popularity||★ ★ ★ ★ ★ Popular|
Compiled set of procedures and/or drivers referenced by a software program; allows the application to access system functions and communicate with a printer or other peripheral devices.
Many DLL files are included with the Windows operating system, while others are often installed with Windows programs; modifying the contents of a DLL file may cause errors within the program that references the file; therefore, it is wise not to open or edit DLL files.