| filename extensions | art-335 |
| shf | |
| TechTarget file types | art-336 | SHF-Acorn-RISC-OS-StrongHelp-file |
| TechTarget file types | art-336 | SHF-Pretty-Good-Privacy-PGP-Share-PGP-Corporation |
| English | eng-000 | Acorn RISC OS StrongHelp file |
| English | eng-000 | Pretty Good Privacy Share |