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.

gsm

GSM digital audio format

Developed in Europe, this format was designed for mobile users. GSM is used for audio files that contain a large amount of audio information. Suitable for voice recordings, including recordings of phone calls. You can compress and archive a GSM file to achieve a different file size. The format is mostly used to create and store voice information. There are 4 types of this format that can be opened using different applications.