File Extensions That Are Not Allowed As Email Attachments

For security, our email hosting servers will reject inbound emails containing attachments with any of the following file extensions:

  • .ade
  • .adp
  • .adt
  • .app
  • .asd
  • .asp
  • .asx
  • .bas
  • .bat
  • .bin
  • .btm
  • .cab
  • .cbl
  • .cbt
  • .cgi
  • .chm
  • .cil
  • .cla
  • .clas
  • .class
  • .cmd
  • .cpe
  • .cpl
  • .crt
  • .csc
  • .csh
  • .css
  • .cvp
  • .dll
  • .dot
  • .drv
  • .exe
  • .fon
  • .fxp
  • .hlp
  • .hta
  • .htr
  • .inf
  • .ini
  • .inp
  • .ins
  • .isp
  • .jar
  • .js
  • .jse
  • .keyreg
  • .ksh
  • .lib
  • .lnk
  • .mda
  • .mdb
  • .mde
  • .mdt
  • .mdw
  • .mht
  • .mhtm
  • .mhtml
  • .msc
  • .msi
  • .msp
  • .mst
  • .mp3
  • .nte
  • .nws
  • .obj
  • .ocx
  • .ops
  • .ov
  • .pcd
  • .pgm
  • .pif
  • .pl
  • .pm
  • .prg
  • .scr
  • .sct
  • .shb
  • .shs
  • .slb
  • .smm
  • .swf
  • .swt
  • .sys
  • .vbe
  • .vbs
  • .vbx
  • .vir
  • .vmx
  • .vxd
  • .wmd
  • .wms
  • .wmz
  • .wsc
  • .wsf
  • .wsh
  • .xms
  • .com

We do apologize for the inconvenience. If you really need to share files with any of the above file extensions, consider either compressing them into a .zip file or using file sharing service like WeTransfer.

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