The EF2 file extension is related to the Internet Download Manager.

Detailed description

Software that works with ef2 file extension

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EF2 file extension - Internet Download Manager file

What is ef2 file? How to open ef2 files?

File type specification:

Various data file type icon Various data file type

The EF2 file extension is used by Internet Download Manager, a program for increasing the efficiency of download speeds, as well as download management developed by Tonec Inc. The .ef2 file contains various data used for internal purposes of the Internet Download Manager.

The default software associated to ef2 file type:

Internet Download Manager picture or screenshot

Internet Download Manager  Microsoft Windows software

Company or developer:
Internet Download Manager, Tonec Inc.

Internet Download Manager is utility used to increase download speeds. Comprehensive error recovery and resume capability will restart broken or interrupted downloads due to lost connections, network problems, computer shutdowns, or unexpected power outages. Internet Download Manager supports proxy servers, ftp and http protocols, firewalls, redirects, cookies, authorization, MP3 audio and MPEG video content processing.

Help how to open EF2 files:

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 file with extension EF2:

As far as we know, this .ef2 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 .ef2 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file
: like open ef2 file, edit ef2 file, convert ef2 file, view ef2 file, play ef2 file etc. (if exist software for corresponding action in's database).

  • Others ef2 file

Unspecified and all other actions for computer programs working with ef2 file - Internet Download Manager file

Click on the software link for more information about Internet Download Manager. Internet Download Manager uses ef2 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:

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