Cf2 extension is associated with Kaspersky Internet Security 2009 update.You don`t need to open cf2 files.
Cf2 extension stands for antivirus software installation file. These file formats are used with Kaspersky Internet Security Antivirus software.
Cf2 extension may also be old type of backup file.
To get detailed information about Kaspersky Software, please take a look to following web page:
What to use cf2
Kaspersky internet security software
which page related to cf2 file
cf2 Related Searches
You can check related links about cf2 fileextension.