In these cases, no modern tool—not even SAP’s own Data Services—can read those proprietary Phoenix SID files. The only hope is a niche extractor like v1.3 Beta.
The "Beta" aspect suggests that version 1.3 had better detection for newer (at the time) Phoenix SecureCore BIOS variants, but also had a higher chance of crashing on older Triton chipset boards.
: Newer Steam games use updated encryption and compression that legacy tools like v1.3 may not support. Are you trying to recover a game from an old physical disc , or are you looking for a way to back up your current Steam library