There are 8 other file types using
the KEY file extension!
.key - Licence or encrypted security key [common]
.key - iWork Keynote '09 presentation [common]
.key - Microsoft Windows 7 registry key file [common]
.key - OS/2 archive key
.key - ArcView geocoding matching keys
.key - DataCAD custom toolbar file
.key - Keyboard definition file
.key - BioWare Infinity and Aurora game engine resource data
KEY file extension - Avira AntiVir Personal license key
What is key file? How to open key files?
File type specification:
The key file extension is associated with Avira AntiVir Personal, a reliable and free antivirus solution that protect computer against viruses, Trojan horses and other malicious software, developed by Avira.
The key file stores license keys obtained when a license is purchased.
The default software associated to open key file:
Company or developer:
Avira GmbH
Avira AntiVir Personal is a free antivirus program that protects your computer from dangerous stuff like viruses, trojans, worms, redirect dialers and other malware. The free version is basically a Lite version of Avira AntiVir Premium.
List of recommended software applications associated to the .key file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open key file, edit key file, convert key file, view key file, play key file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with key file - Avira AntiVir Personal license key
Click on the software link for more information about Avira AntiVir Personal. Avira AntiVir Personal uses key file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).
Microsoft Windows:
Main software associated with key file by default:
Avira AntiVir Personal
Other suggested software:
Avira AntiVir Premium
Avira Premium Security Suite