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.key - Avira AntiVir Personal license key file
.cxt - Adobe Director protected cast file
.p7m - PKCS #7 MIME Message
.jpgenx - Egis encrypted JPG file
.pi2 - Studio2 high resolution encrypted image
.vvf - ViVerify fingerprint file
.pfx - Certificate File
.uea - Protector Suite QL file
file extension PPK - PuTTY Win32 Telnet/SSH client private key
File extension PPK description:
File extension used by PuTTY.
Associated applications to file extension PPK:
Company / developer:
Simon Tatham
PuTTY
PuTTY is a terminal emulator application which can act as a client for the SSH, Telnet, rlogin, and raw TCP computing protocols. The name "PuTTY" has no definitive meaning, though 'tty' is the name for a terminal in the Unix tradition, usually held to be short for teletype.
PuTTY was originally written for Microsoft Windows, but it has been ported to various other operating systems. Official ports are available for some Unix-like platforms, with work-in-progress ports to Classic Mac OS and Mac OS X, and unofficial ports have been contributed to platforms such as Symbian and Windows Mobile.
PuTTY was written and is maintained primarily by Simon Tatham and is currently beta software. Licensed under the MIT License, PuTTY is free and open source software.