What Is a DLL File?

However, DLLs are in the same format as EXEs and some may even use the .EXE file extension.

While most Dynamic Link Libraries end in thefile extension.DLL, others may use .OCX, .CPL, or .DRV.

Screenshot of several DLL files in Windows 10

DLL Files.

See our articleImportant Reasons NOT to Download DLL Filesfor more on that.

We may even have a specific fix-it guide for the one you have.

Otherwise, see ourHow to Fix DLL Errorsfor some general advice.

Lots of DLL files are available from Windows by default but third-party programs can install them, too.

However, if you know what you’re doing,Resource Hackeris one way to do that.

Respectively, these files use the OCX, CPL, and DRV file extension.

ICL files are icon libraries while FONT and FOT files are font files.

FAQ

DLL files aren’t opened in the same way the majority of filetypes are opened.

DLL files are usually called upon by an utility.

To view the code inside a DLL file you would have to decompile it with a third-party software.

DLL files aren’t installed like other filetypes.