.XLK File Overview

File Extension:	XLK
File Type Description:	Excel Backup File
File Type Developer:	Microsoft Corporation
Primary Associated Software:	Microsoft Excel
Primary Software Developer:	Microsoft Corporation

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Home File Types Backup Files XLK

What is File Extension XLK?

Excel Backup File files are the most popular type of files to carry the XLK file extension, originally developed by Microsoft Corporation for Microsoft Excel. Website visitor analysis indicates that XLK files are commonly found on Windows 10 user machines, and are most popular in China. A vast majority of these users are opting to use Google Chrome as their preferred internet browser.

Associated Developers and Software

Microsoft Excel by Microsoft Corporation

Top XLK User Languages

Top XLK 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
	iOS
	Android

Other File Types Related to XLK Files

Extension	File Type Developer	File Category	File Type Description
.ADDIN	Microsoft Corporation	Plugin Files	Microsoft Visual Studio Add-in
.JTF	Various Developers	Raster Image Files	JPEG Tagged Interchange Format
.DSR	Activision	Game Files	Modern Warfare 3 Dedicated Server Recipe File
.ATD	Planit Solutions, Inc.	CAD Files	Alphacam Lathe Drawing
.EVTX	Microsoft Corporation	System Files	Windows 7 Event Log File
.GCSX	Microsoft Corporation	Settings Files	Microsoft Office SmartArt Color File
.X-PNG	The Pixelmator Team	Raster Image Files	Portable Network Graphics
.PXL	Microsoft Corporation	Data Files	Pocket Excel File
.JPG	Joint Photographic Experts Group	Raster Image Files	JPEG Image
.PSESS	Microsoft Corporation	Developer Files	Microsoft Visual Studio Performance Session