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as$	Microsoft Word temporary file
as2	ACTIVstudio resource data
as2proj	FlashDevelop project
as3	APL*PLUS source code file
as3a	ActivInspire resource data
as3proj	FlashDevelop project
as4	IBM AS/400 client access data
as4a	ActivInspire resource pack
as?	LoseThos Assembly source code
asa	ArcGIS ArcScene data
asab	Repo temporary output data
asar	Electron ASAR archive
asat	Assemble SAT 3D model
asax	ASP.NET application optional source
asb	Alphacam stone VB macro
asbx	Microsoft ASP.Net BridgeHandler data
asc	3D Studio Max 3D ASCII scene
ascii	ASCII text characters data
ascm	Adobe Content Server message file
ascs	Adobe Device Central data
ascx	Active Server Pages web user control data
asd	Microsoft Word auto-save document
asdatabase	Microsoft Visual Studio data
asdb	Active-HDL accelerated waveform
asdvdcrtproj	Aimersoft DVD Creator project
ase	3D Studio Max ASCII scene export data
asec	Google Android encrypted application package
asef	Adobe swatch exchange
asep	Separator for Mac data
asf	Advanced Systems (streaming) format
asg	Airport Tycoon saved game
asgp	HP-UX NIS Maps configuration
ash	Turbo Assembler (TASM) header
ashbak	Ashampoo Burning Studio backup archive
ashdisc	Ashampoo disk image file
ashdisk	Mistyped ASHDISC file
ashlang	Ashampoo Media Player+ data
ashprj	Ashampoo Burning Studio project
ashx	ASP.NET web handler file
asi	Assembly language header
asic	ASIC source code
asice	Associated Signature Container (ASiC-E)
asis	Apache as is data
asj	Aldfaer genealogy data
ask	askSam database
asl	Adobe Photoshop layer style
asm	Assembler source code
asmdat	Extech Light Meter archive
asmdot	SolidWorks assembly template
asmprp	SolidWorks assembly custom properties tab template
asmx	Active Server Plus Web Services source data
asn	Atlantis Word Processor sound scheme
asn1	Avaya MIB definition data
asnd	Adobe Soundbooth sound document
aso	Adobe Flash cache
asp	Active Server Page script page
aspf	Adobe Type1 Fonts mac file type
aspi	Audio Catalyst CD-ROM driver file
aspr	ASProtect related data
asproj	Microsoft Visual Studio Analysis Services project file
aspx	Active Server Page Extended ASP.NET script
asq	AGRESSO SQL statement data
asr	Adobe Photoshop scratch area
asrp	Arc Standard Raster Product file
ass	Advanced SubStation Alpha subtitles
assbin	Substance Painter scene
assecurityinformation	Microsoft Analysis Services database
asset	Unity asset data
assetgroup	F1 2015 game data
assetproj	Camtasia Studio asset information data
assets	Game assets data
assistant	HP Printer Utility for Mac assistant plugin
assoc	Associate This file association database file
asstrm	Splinter Cell Blacklist game data
assy	Siemens NX assembly data
ast	Adobe Photoshop color separation table
ast2	Astrotite data
asta	Astah project
astx	Adobe Story exported script
asu	ToolBook package definition
asv	Adobe Photoshop selective color data
asvf	Asphyre Sphinx archive
asvx	Finale auto saved score
asw	ACDSee slideshow wizard
aswcs	avast! antivirus compressed skin
asws	avast! antivirus skin
asx	Microsoft Advanced Streaming Redirector
asxml	XML music playlist
asy	LTspice IV circuit diagram
asz	LoseThos assembly source code
as_	Winhelp compressed file
at1	KJT-200 calibration software absorbance data
at2	Adobe Persuasion auto template
at3	Airport Tycoon 3 saved game
at3p	AmpliTube preset
at5	Lowrance chart data
at65	Adobe Pagemaker for Mac file
ata	Antenna project
atahd	Puppy Linux ATA hard drive flag
atak	Soundscape Audio-Take audio data

What file extension actually is?

Simply put, file extensions are the characters after the dot in the file name, so for example filename.mp3 has file extension „mp3“. This helps Windows to identify which program should be used to open the file.

We can help you to open your file

Our database contains a huge list of different file extensions, usually with detailed description and programs that can be used to open or otherwise work with that particular file type.

Only original software

Every software listed in our database is verified and ve provide link to the developer or to the software own website, which should hopefuly be enough for you to download the most recent version of the program.