FileViewPro

Extension	File Type Developer	File Category	File Type Description	Software	Software Developer
.A	Open Source	Developer Files	Static Library	Microsoft Notepad	Microsoft Corporation
.AAC	Xilisoft Corporation	Audio Files	Advanced Audio Coding File	Microsoft Groove Music	Microsoft Corporation
.AAE	Apple	Data Files	Sidecar Image Format File	Microsoft Notepad	Microsoft Corporation
.AAS	Adobe Systems Incorporated	Data Files	Adobe Authorware Shocked Packet File	Microsoft Windows	Microsoft Corporation
.ABF	Adobe Systems Incorporated	Font Files	Adobe Binary Screen Font File	Microsoft Windows Font Viewer	Microsoft Corporation
.AC3	Various Developers	Audio Files	Audio Codec 3 File	Microsoft Windows Media Player	Microsoft Corporation
.ACCDA	Microsoft Corporation	Plugin Files	Access Add-in File	Microsoft Access	Microsoft Corporation
.ACCDB	Microsoft Corporation	Database Files	Access 2007 Database File	Microsoft Visual Studio	Microsoft Corporation
.ACCDC	Microsoft Corporation	Database Files	Microsoft Access Signed Package	Microsoft Access	Microsoft Corporation
.ACCDE	Microsoft Corporation	Database Files	Access Execute Only Database	Microsoft Access	Microsoft Corporation
.ACCDR	Microsoft Corporation	Database Files	Access Runtime Application	Microsoft Access	Microsoft Corporation
.ACCDT	Microsoft Corporation	Database Files	Microsoft Access Database Template	Microsoft Access	Microsoft Corporation
.ACCDU	Microsoft Corporation	Database Files	Microsoft Access Database Wizard	Microsoft Access	Microsoft Corporation
.ACCDW	Microsoft Corporation	Database Files	Microsoft Access Link	Microsoft Access	Microsoft Corporation
.ACCESSOR	Microsoft Corporation	Data Files	Microsoft Visual Studio Accessor File	Microsoft Visual Studio	Microsoft Corporation
.ACCFT	Microsoft Corporation	Database Files	Microsoft Access Data Type Template	Microsoft Access	Microsoft Corporation
.ACCOUNTPICTURE-MS	Microsoft Corporation	Raster Image Files	Windows 8 Account Picture File	Microsoft Windows 8	Microsoft Corporation
.ACF	Valve	Game Files	Steam Application Cache File	Microsoft Agent	Microsoft Corporation
.ACG	Bolide Software	Data Files	Audio Comparer Group File	Microsoft Agent	Microsoft Corporation
.ACL	Microsoft Corporation	Uncommon Files	AutoCorrect List File	Microsoft Office	Microsoft Corporation
.ACS	Microsoft Corporation	Uncommon Files	Agent Character File	Microsoft Agent	Microsoft Corporation
.ACT	Bell Labs	Audio Files	ADPCM Compressed Audio File	Microsoft Visual FoxPro	Microsoft Corporation
.ACW	Microsoft Corporation	Settings Files	Windows Accessibility Wizard File	Microsoft Windows Accessibility Wizard	Microsoft Corporation
.AD2	Unknown Developer	Audio Files	ADPCM 2-bit Compressed Voice	Microsoft Notepad	Microsoft Corporation
.ADD	Microsoft Corporation	Uncommon Files	Dynamics AX Developer Documentation File	Microsoft Dynamics AX	Microsoft Corporation
.ADDIN	Microsoft Corporation	Plugin Files	Microsoft Visual Studio Add-in	Microsoft Visual Studio	Microsoft Corporation
.ADE	Microsoft Corporation	Database Files	Access Project Extension	Microsoft Access	Microsoft Corporation
.ADI	Active@ Data Recovery Software	Backup Files	Active@ Disk Image Backup File	Microsoft Dynamics AX	Microsoft Corporation
.ADM	Microsoft Corporation	System Files	Administrative Template File	Microsoft Group Policy Object Editor	Microsoft Corporation
.ADML	Microsoft Corporation	System Files	Group Policy Language-Specific Administrative Template	Microsoft Group Policy Object Editor	Microsoft Corporation
.ADMX	Microsoft Corporation	System Files	Group Policy Administrative Template File	Microsoft Group Policy Management Console	Microsoft Corporation
.ADN	Microsoft Corporation	Database Files	Access Blank Project Template	Microsoft Access	Microsoft Corporation
.ADOC	Stuart Rackham	3D Image Files	AsciiDoc File	Microsoft Notepad	Microsoft Corporation
.ADP	Microsoft Corporation	Database Files	Access Project Extension	Microsoft Access	Microsoft Corporation
.ADPCM	Microsoft Corporation	Audio Files	ADPCM Audio	Microsoft Windows Media Player	Microsoft Corporation
.ADT	Swiftpage, Inc.	Data Files	ACT! Document Template	Microsoft Windows Media Player	Microsoft Corporation
.ADTS	Shedworx	Audio Files	Audio Data Transport Stream File	Microsoft Windows Media Player	Microsoft Corporation
.AEU	Microsoft Corporation	GIS Files	Microsoft AutoRoute Express Europe Route Data	Microsoft AutoRoute	Microsoft Corporation
.AG4	Microsoft Corporation	Data Files	Microsoft Access G4 Data	Microsoft Access	Microsoft Corporation
.AGE OF EMPIRES / AGE OF MYTHOLOGY GAME FILE	Microsoft Corporation	Game Files	Age Of Empires/Age Of Mythology Game File	Microsoft Studios	Microsoft Corporation
.AHD	Microsoft Corporation	Data Files	Dynamics AX Online Help Data File	Microsoft Dynamics AX	Microsoft Corporation
.AHI	Microsoft Corporation	Data Files	Microsoft Dynamics AX Online Help Index	Microsoft Dynamics AX	Microsoft Corporation
.AHTM	Unknown Developer	Web Files	HTML File	Internet Explorer	Microsoft Corporation
.AI	Adobe Systems Incorporated	Vector Image Files	Adobe Illustrator File	ACD Systems Canvas	Microsoft Corporation
.AI4	Adobe Systems Incorporated	Vector Image Files	Encapsulated PostScript File	Microsoft Word	Microsoft Corporation
.AIF	Apple	Audio Files	Audio Interchange File Format	Microsoft Windows Media Player	Microsoft Corporation
.AIFC	Apple	Audio Files	Compressed Audio Interchange File	Microsoft Windows Media Player	Microsoft Corporation
.AIFF	Apple	Audio Files	Audio Interchange File Format	Microsoft Windows Media Player	Microsoft Corporation
.AJB	Planit Solutions, Inc.	Developer Files	Alphacam Water Jet VB Macro	Microsoft Visual Basic	Microsoft Corporation
.AKM	Srinivas Annam	Data Files	Aksharamala Keymap Binary Data	Microsoft Operation Manager	Microsoft Corporation
.ALC	Ableton	Audio Files	Ableton Live Clip File	Microsoft Dynamics AX	Microsoft Corporation
.ALD	Microsoft Corporation	Data Files	Dynamics AX Application Label Data File	Microsoft Dynamics AX	Microsoft Corporation
.ALE	Avid Technology	Video Files	Avid Log Exchange File	Microsoft Notepad	Microsoft Corporation
.ALI	Microsoft Corporation	Data Files	Dynamics AX Label Index File	Microsoft Dynamics AX	Microsoft Corporation
.ALT	Microsoft Corporation	Uncommon Files	Dynamics AX Temporary File	Microsoft Dynamics AX	Microsoft Corporation
.ALX	BlackBerry	Settings Files	BlackBerry Application Loader XML File	Microsoft Visual Studio	Microsoft Corporation
.AML	Intel Corporation	System Files	ACPI Machine Language File	Microsoft Visual Studio	Microsoft Corporation
.AMN	Microsoft Corporation	Data Files	Aero Studio 2008 Menu Data	Aero Studio	Microsoft Corporation
.AMR	Open Source	Audio Files	Adaptive Multi-Rate Codec File	Microsoft Groove Music	Microsoft Corporation
.ANDROID	Unknown Developer	Data Files	Android Readme File	Microsoft Notepad	Microsoft Corporation
.ANDROIDPROJ	Microsoft Corporation	Developer Files	Microsoft Visual Studio Android Project	Microsoft Visual Studio	Microsoft Corporation
.ANN	ABBYY	Data Files	Lingvo Dictionary Annotation File	Microsoft Windows Help	Microsoft Corporation
.ANS	Open Source	Text Files	ANSI Text File	Microsoft Notepad	Microsoft Corporation
.AOD	Microsoft Corporation	Uncommon Files	Dynamics AX Object Data File	Microsoft Dynamics AX	Microsoft Corporation
.AOI	Open Source	3D Image Files	Art Of Illusion 3D Scene	Microsoft Dynamics AX	Microsoft Corporation
.AP	Fifth Generation Systems	Web Files	Active Page	Microsoft Edge	Microsoft Corporation
.APL	Matthew T. Ashland	Audio Files	Monkey's Audio Track Information File	Microsoft Windows Media Player	Microsoft Corporation
.APP	Nokia	Executable Files	Symbian OS Application	Microsoft Visual FoxPro	Microsoft Corporation
.APPCONTENT-MS	Microsoft Corporation	Settings Files	Microsoft Windows Application Content	Microsoft Windows 8	Microsoft Corporation
.APPLICATION	Microsoft Corporation	Settings Files	ClickOnce Deployment Manifest File	Microsoft .NET Framework	Microsoft Corporation
.APPREF-MS	Microsoft Corporation	Settings Files	Microsoft Application Reference File	Microsoft ClickOnce	Microsoft Corporation
.APPX	Microsoft Corporation	Developer Files	Windows 8 App Package	Microsoft Windows 8	Microsoft Corporation
.APPXBUNDLE	Microsoft Corporation	Compressed Files	Microsoft Windows App Bundle Package	Microsoft Visual Studio	Microsoft Corporation
.APPXMANIFEST	Microsoft Corporation	Developer Files	Windows Store App Source Manifest	Microsoft Visual Studio	Microsoft Corporation
.APS	Microsoft Corporation	Developer Files	Visual C++ Resource File	Microsoft Visual C++	Microsoft Corporation
.APT	Apache Software Foundation	Text Files	Almost Plain Text File	Microsoft Notepad	Microsoft Corporation
.ARI	ARRI Group	Camera Raw Files	ARRIRAW Image	Microsoft Windows Photos	Microsoft Corporation
.ARMY	Microsoft Corporation	Game Files	Impossible Creatures Collection Of Created Creatures File	Impossible Creatures	Microsoft Corporation
.ARN	Microsoft Corporation	Data Files	Autoruns Data File	Microsoft Autoruns	Microsoft Corporation
.ARV	Microsoft Corporation	Data Files	Microsoft Autoroute User Information File	Microsoft AutoRoute	Microsoft Corporation
.ARW	Sony	Camera Raw Files	Sony Digital Camera Image	Microsoft Windows Photos	Microsoft Corporation
.AS	Adobe Systems Incorporated	Developer Files	Adobe ActionScript File	Microsoft Notepad	Microsoft Corporation
.ASA	Microsoft Corporation	Web Files	ASP Configuration File	Microsoft Notepad	Microsoft Corporation
.ASC	Symantec Corporation	Encoded Files	PGP (Pretty Good Privacy) ASCII Armored File	Microsoft Notepad	Microsoft Corporation
.ASCII	Sublime HQ Pty Ltd	Text Files	ASCII Text	Microsoft Notepad	Microsoft Corporation
.ASCX	Microsoft Corporation	Web Files	ASP.NET User Control File	Microsoft Visual Web Developer	Microsoft Corporation
.ASD	Microsoft Corporation	Backup Files	Word AutoSave File	Microsoft Word	Microsoft Corporation
.ASE	Adobe Systems Incorporated	Settings Files	Adobe Swatch Exchange File	Microsoft Notepad	Microsoft Corporation
.ASF	Microsoft Corporation	Video Files	Advanced Systems Format File	Microsoft Windows Media Player	Microsoft Corporation
.ASHX	Microsoft Corporation	Web Files	ASP.NET Web Handler File	Microsoft Notepad	Microsoft Corporation
.ASM	Open Source	Developer Files	Assembly Language Source Code File	Microsoft Notepad	Microsoft Corporation
.ASMX	Microsoft Corporation	Web Files	ASP.NET Web Service File	Microsoft Visual Studio	Microsoft Corporation
.ASP	Microsoft Corporation	Web Files	Active Server Page	Microsoft Edge	Microsoft Corporation
.ASPX	Microsoft Corporation	Web Files	Active Server Page Extended ASP.NET Script	Microsoft Visual Studio	Microsoft Corporation
.ASX	Microsoft Corporation	Video Files	Microsoft ASF Redirector File	Microsoft Windows Media Player	Microsoft Corporation
.ATD	Planit Solutions, Inc.	CAD Files	Alphacam Lathe Drawing	Microsoft Systems Management Server	Microsoft Corporation
.ATE	Microsoft Corporation	Backup Files	Office Accounting Compressed Backup	Microsoft Office Accounting	Microsoft Corporation
.ATF	Molecular Devices	Data Files	Axon Text File	Microsoft Excel	Microsoft Corporation
.ATH	Dell Boomi	Settings Files	Alienware AlienFX Theme File	Microsoft XML Notepad	Microsoft Corporation
.ATM	E-on Software, Inc.	3D Image Files	Vue Atmospheres File	Microsoft Windows	Microsoft Corporation

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