.QAT File Overview

File Extension:	QAT
File Type Description:	Microsoft Office Quick Access Toolbar File
File Type Developer:	Microsoft Corporation
Primary Associated Software:	Microsoft Office
Primary Software Developer:	Microsoft Corporation

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What is File Extension QAT?

Microsoft Office Quick Access Toolbar File files were originally developed by Microsoft Corporation for the Microsoft Office software application. Our internal web tracking data indicates that Windows 10 operating system users, and those living in United States, are the most likely to use Microsoft Office Quick Access Toolbar File files. Google Chrome is the predominant internet browser used by this population.

Associated Developers and Software

Microsoft Office by Microsoft Corporation

Top QAT User Languages

Top QAT 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 QAT Files

Extension	File Type Developer	File Category	File Type Description
.EX_	Microsoft Corporation	Compressed Files	Compressed EXE File
.SLS	Sublime HQ Pty Ltd	Uncommon Files	Image Playlist
.ACCOUNTPICTURE-MS	Microsoft Corporation	Raster Image Files	Windows 8 Account Picture File
.DBT	Abacus Data Systems	Data Files	AbacusLaw Data File
.NLD	ATI Technologies	System Files	ATI Radeon Video Driver File
.VP3	On2 Technologies	Video Files	On2 Streaming Video File
.IDC	Pierre-Emmanuel Gougelet	Uncommon Files	Core Software Tech IDC File
.SMD	Valve	3D Image Files	Valve Studiomdl Data File
.PSD	Adobe Systems Incorporated	Raster Image Files	Adobe Photoshop Document
._SLN70	Microsoft Corporation	Data Files	Microsoft Visual Studio File