Files with lf file extension might be found as product license files from SoftwareKey programs, like Protection PLUS.

There is one other file type using
the LF file extension!

empty icon.lf - SketchUp license

Detailed description

Software that works with lf file extension

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LF file - SoftwareKey license

What is lf file? How to open lf files?

File type specification:

Encoded and encrypted file type icon Encoded and encrypted file type

The lf file extension is mainly related to SoftwareKey applications.

SoftwareKey System has a track record for almost two decades helping software developers manage how users access their products, deter theft, get to market, sell more, and save time and aggravation in the process.

The lf file contains license.

Updated: September 4, 2017

The default software associated to lf file type:

Protection PLUS  Microsoft Windows software

Company or developer:

Protection PLUS software is the industry standard for software licensing and copy protection.

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 .lf 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 .lf 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 lf file, edit lf file, convert lf file, view lf file, play lf file etc. (if exist software for corresponding action in's database).

  • Others lf file

Unspecified and all other actions for computer programs working with lf file - SoftwareKey license

Click on the software link for more information about Protection PLUS. Protection PLUS uses lf 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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