Music producers and DJs frequently use "all in.rar" to bundle monthly mashup packs or soundfont libraries (SF2) for digital audio workstations.
Players often bundle multiple required files for a specific game mod—such as "Fallout Script Extender" (FOSE) for Fallout 3 —into a single RAR archive to simplify the installation process. How to Open and Extract all in.rar
RAR is a proprietary format that requires third-party software to decompress. Difference Between ZIP and RAR - BYJU'S Music producers and DJs frequently use "all in