| .sjpg |
Sealed JPG File |
| .spd |
Form·Z Suspended Render File |
| .sia |
Silo 3D Model File, Sia Metadata File |
| .spdf |
Sealed PDF File |
| .shy |
ShyFile Encrypted File |
| .sef |
Encryptafile Signature File |
| .suf |
Ccrypt Encrypted File |
| .switch |
Switch Package |
| .snk |
Strong Name Key File |
| .scb |
Scala Published Script |
| .safe |
SIGLock Encrypted File |
| .sdo |
Signed Document |
| .sfi |
SafeFolder Encrypted File |
| .seb |
Safe Exam Browser Configuration File |
| .stxt |
Sealed Text File |
| .sxls |
Sealed Excel Spreadsheet |
| .sxml |
Sealed XML File |
| .signature |
e-Filing Digital Signature File |
| .sgz |
SigzaLock Encrypted File |
| .tar.md5 |
Android System File |
| .uue |
Uuencoded File |
| .uu |
Uuencoded File |
| .uud |
UUDecoded File |
| .uea |
Protector Suite QL Encrypted Archive |