Sophos default blocked email attachment file types

The following files will be blocked when you select Use Sophos list in the Attachment file types rule:

Files of these types:

  • apk
  • bat
  • chm
  • cmd
  • com
  • cpl
  • crt
  • exe
  • hlp
  • hta
  • inf
  • ins
  • isp
  • js
  • jse
  • lnk
  • mdb
  • pcd
  • pif
  • reg
  • scr
  • sct
  • shs
  • vbe
  • vbs
  • wsf

File types in the following groups:

  • ELF: executable files for many non-Windows systems
  • Mach-O: object files used in macOS and iOS
  • MS-DOS
  • Microsoft Office files containing macros
  • Obfuscated Script: scripts in various languages that hide their real purpose
  • WebAssembly: binary code that web browsers can execute