The X
按字母分类：
extension name file type Classification
SAFE SIGLock Encrypted File encoding file
SCB Euro Truck Simulator 2 Product Key File encoding file
SCB Scrambls Encrypted File encoding file
SDO Signed Document encoding file
SDOC Sealed Word Document encoding file
SDTID SecurID Soft Token File encoding file
SEB Safe Exam Browser Configuration File encoding file
SEF Encryptafile Signature File encoding file
SEF Password Manager Container File encoding file
SFI SafeFolder Encrypted File encoding file
SGZ SigzaLock Encrypted File encoding file
SHY ShyFile Encrypted File encoding file
SIA Sia Metadata File encoding file
SIGNATURE e-Filing Digital Signature File encoding file
SJPG Sealed JPG File encoding file
SLE Steganos Safe Encrypted Drive encoding file
SME SmartEncryptor Encrypted File encoding file
SNK Strong Name Key File encoding file
SPD Sealed Acrobat Document encoding file
SPDF Sealed PDF File encoding file
SRF Samsung Smart TV Recording File encoding file
STXT Sealed Text File encoding file
SUF Ccrypt Encrypted File encoding file
SWITCH Switch Package encoding file
SXLS Sealed Excel Spreadsheet encoding file
SXML Sealed XML File encoding file