There are 9 other file types using
the CTF file extension!

empty icon.ctf - HP-95 comm program character translation data

empty icon.ctf - Lotus Symphony character translation file

empty icon.ctf - GammaFax TIFF compressed file

empty icon.ctf - ECMG content transformation data

empty icon.ctf - ARCserve Backup backup file

empty icon.ctf - Casio calculator text format

empty icon.ctf - CoffeeCup HTML editor table file

empty icon.ctf - Roxio PhotoSuite album file

empty icon.ctf - WhereIsIt catalog file

CTF file extension - AVG Antivirus update control data

What is ctf file? How to open ctf files?

File type specification:

Various data file type icon Various data file type

The ctf file extension is associated with the AVG Antivirus software used to protect computer against viruses, Trojan horses, worms and other malicious software.

The ctf file contains update control data for download new virus definitions and program updates.

The default software associated to open ctf file:

AVG Antivirus icon

AVG Technologies (Grisoft) logoAVG Antivirus  Microsoft Windows software

Company or developer:
AVG Technologies (Grisoft)

AVG Antivirus is one of the most popular security and antivirus solutions on market. It is available in versions for almost all platforms.

AVG Internet Security icon

AVG Technologies (Grisoft) logoAVG Internet Security  Microsoft Windows software

Company or developer:
AVG Technologies (Grisoft)

AVG Internet Security is set of tools used to protect computer against viruses, worms, trojans as well as against attacks from the Internet.

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .ctf file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .ctf 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 ctf file, edit ctf file, convert ctf file, view ctf file, play ctf file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with ctf file - AVG Antivirus update control data

Click on the software link for more information about AVG Antivirus. AVG Antivirus uses ctf 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 ctf file by default:
AVG Antivirus small icon AVG Antivirus
AVG Internet Security small icon AVG Internet Security

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