Blocked File Types

Which file types we can receive – and which are blocked for security reasons.

Actual version of office and read-only files are safe and welcome to receive

.docx
.xlsx
.pptx
.pdf
.jpg

These files are potentially malicious and blocked for security reasons

System files

*.cer
*.com
*.crt
*.cpl
*.der
*.gadget
*.ins
*.isp
*.lnk
*.msc
*.pif
*.prf
*.reg
*.xnk
*.chm
*.hlp
*.hta
*.mau

Office files

*.xls
*.wps
*.xps
*.odt
*.ott
*.wpd
*.xml
*.rtf
*.pages
*.xlsb
*.ods
*.ots
*.numbers
*.thmx
*.odp
*.otp
*.key

Script files

*.bat
*.cmd
*.js
*.jse
*.ps1
*.ps2
*.psc1
*.psc2
*.vb
*.vba
*.vbe
*.vbs
*.ws
*.wsc
*.wsf
*.wsh

Archive files

All encrypted archives

*.arj
*.7z
*.bz2
*.gz
*.gzip
*.tgz
*.ace
*.arc
*.cab
*.mht
*.jar
*.apk

Program files

*.exe
*.dll
*.sys
*.drv
*.ocx
*.scr
*.elf
*.swf
*.class
*.msi
*.dex

Macro files

*.sldm
*.ppsm
*.potm
*.pptm
*.xlam
*.xltm
*.xlsm
*.xlm
*.dotm
*.docxm
*.docm