.LF File Overview

File Extension:	LF
File Type Description:	SoftwareKey License
File Type Developer:	Concept Software
Primary Associated Software:	Protection PLUS
Primary Software Developer:	Concept Software

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What is File Extension LF?

Release of the Protection PLUS software program prompted the development of the SoftwareKey License file type by Concept Software. Our internal web tracking data indicates that Windows 10 operating system users, and those living in United States, are the most likely to use SoftwareKey License files. A vast majority of these users are opting to use Google Chrome as their preferred internet browser.

Associated Developers and Software

	SketchUp by Trimble Inc.
	Protection PLUS by Concept Software

Top LF User Languages

Top LF File User Browsers

Desktop Friendly?

Mobile Friendly?

Top User Operating Systems


Windows 10	Windows 11	Windows 6	Windows 8.1

Associated Operating Systems

	Windows
	Mac

Other File Types Related to LF Files

Extension	File Type Developer	File Category	File Type Description
.INP	Concept Software	Page Layout Files	Urdu InPage Document
.FEV	Firelight Technologies	Audio Files	FMOD Audio Events File
.SED	Microsoft Corporation	Settings Files	IExpress Self Extraction Directive File
.ADIUMMENUBARICONS	Adam Iser	Settings Files	Adium Menu Bar Icon File
.UL	Microsoft Corporation	Settings Files	Windows Updates Downloader Update List File
.JGP	Jolly Giant Inc	Settings Files	QWS3270 PLUS Session Parameter Data
.DIRECTORY	KDE	Settings Files	KDE Folder View Properties File
.AHU	Adobe Systems Incorporated	Settings Files	Adobe Photoshop HSL File
.XST	IBM	Settings Files	WebSphere Query Template
.PIW	PixAround	Settings Files	PI ProcessBook Display Definition File