The prevailing practical consensus across developer communities includes these principles:
Organizations occasionally lose the original .m source files due to poor version control but retain the executable .p files. A decoder is sought to recover lost work. Matlab P-code Decoder.7z --39-LINK--39-
If you accidentally overwrote your own .m files, check for backups or previous versions rather than relying on a decoder. Matlab P-code Decoder.7z --39-LINK--39-