This is an audio container that can be opened using various programs and applications provided by Sony. W64 is often used for audio editing, as it supports the free frequency of data, as well as channels and bit depths. W64 files come in the 64-bit resolution. They can also be opened using certain programs on Windows, macOS, and Linux.

sln

SLN as a raw WAV format

This format was developed by Microsoft Visual Studio. SLN files contain information about the composition and status of a project. SLN is a file with text content. The full name of the format is “solution”. Files of the SLN format can be opened with the help of certain Microsoft programs. The SLN format is largely similar to VBG files.