What Is a DYLIB File?
The format has replaced the olderA.OUTfile format.
Thelibz.dylibfile is a common DYLIB file that’s the dynamic library for thezlibcompression library.

Still Can’t Open It?
DYC is one example.
Similar is the LIB file extension used for library files by some software.
FAQ
The standard locations for dynamic libraries are ~/lib, /usr/local/lib, and /usr/lib.
First, you must find a source to download the replacement file.
Next, delete the original file in the utility package.
Finally, paste the downloaded file with the same name to the location of the deleted original file.
you might use a utility to scan your system for susceptible or hijacked applications.
For example, you candownload Dylib Hijack Scannerto scan for vulnerabilities.