
Muitas vezes nos deparamos com algum tipo de arquivo com uma extensão desconhecida. Ficamos sem saber o que esse arquivo realmente é, que programa devemos usar para visualizá-lo, etc. Por isso posto aqui essa lista com centenas de extensões de arquivos, que vai lhe ajudar a descobrir o que aquele arquivo estranho realmente é.
AI VAI. da letra (A)
A Object code library
AAM Authorware shocked file
AAS Authorware shocked packet
ABF Adobe Binary Screen Font
ABK Corel Draw AutoBackup
ACE Compression file format associated with a program called The
Ace Archiver
ACL Corel Draw 6 keyboard accelerator
ACM Used by Windows in the system directory
ACP Microsoft Office Assistant Preview file
ACR American College of Radiology file format
ACT Microsoft Office Assistant Actor file
ACV OS/2 drivers that compress and decompress audio data
AD After Dark screensaver
ADA Ada source text (non-GNAT)
ADB Ada source text body (GNAT)
ADB Appointment database used by HP 100LX organizer
ADD OS/2 adapter drivers used in the boot process
ADF Amiga Disk File
ADI AutoCAD Device-Independent binary plotter format
ADM After Dark MultiModule screensaver
ADP Used by FaxWorks to do setup for fax modem interaction
ADP Astound Dynamite file
ADR After Dark Randomizer screensaver
ADS Ada source text specification (GNAT)
AFM Adobe font metrics
AF2 ABC Flowchart file
AF3 ABC Flowchart file
AI Adobe Illustrator drawing
AIF, AIFF Audio Interchange File, a sound format used by Silicon Graphics
and Macintosh applications
AIFC Similar to AIF (compressed)
AIFF Similar to AIF
AIM AOL Instant Messenger Launch
AIS ACDSee Image Sequence file
AIS Velvet Studio Instruments
AKW Contains all A-keywords in the RoboHELP Help project Index Designer
not associated with topics
ALAW European telephony format audio
ALB JASC Image Commander album
ALL Arts & Letters Library
AMS Velvert Studio music module (MOD) file
AMS Extreme's Tracker module format
ANC Canon Computer Pattern Maker file that is a selectable list of
pattern colors
ANI Animated Cursor
ANS ANSI text
ANT saved game file in the original SimAnt for Windows
API Application Program Interface file; used by Adobe Acrobat
APR Lotus Approach 97 file
APS Microsoft Visual C++ file
ARC LH ARC (old version) compressed archive
ARI Aristotle audio file
ARJ Robert Jung ARJ compressed archive
ART Xara Studio drawing
ART Canon Crayola art file
ART Clip Art file format
ART Another Ray Tracer format
ART Used by AOL to designate files compressed using the Johson-Grace
compreession algorithm
ASA Microsoft Visual InterDev file
ASC ASCII text
ASC PGP armored encrypted file
ASD WinWord AutoSave
ASE Velvet Studio sample
ASF Microsoft Advanced Streaming Format file
ASM Assembler language source file
ASO Astound Dynamite Objects
ASP Active Server Page (an HTML file containing a Microsoft
server-processed script)
ASP Procomm Plus setup and connection script
ASP Astound Presentation file
AST Astound multimedia file
AST Claris Works "assistant" file
ASV DataCAD Autosave file
ASX Cheyenne Backup script
ASX Microsoft Advanced Streaming Redirector file
ASX Video file
ATT AT&T Group 4 bitmap
AU Sun/NeXT/DEC/UNIX sound file
AU Audio U-law (pronounced mu-law) file format
AVB Inculan Anti-Virus virus infected file
AVI Microsoft Audio Video Interleaved file format for Windows movie
AVR Audio Visual Research file format
AVS Application Visualization System format
AWD FaxView document
AWR Telsis file extension format for digitally stored audio.
AXX ARJ compressed files from a multi-volume archive (xx = a number
from 01 to 99)
A3M unpackaged Authorware MacIntosh file
A4M unpackaged Authorware MacIntosh file
A4P Authorware file packaged without runtime
A3W unpackaged Authorware windows file
A4W unpackaged Authorware windows file
A5W unpackaged Authorware windows file
ALAW European telephony format audio
ALB JASC Image Commander album
ALL Arts & Letters Library
AMS Velvert Studio music module (MOD) file
AMS Extreme's Tracker module format
ANC Canon Computer Pattern Maker file that is a selectable list of
pattern colors
ANI Animated Cursor
ANS ANSI text
ANT saved game file in the original SimAnt for Windows
API Application Program Interface file; used by Adobe Acrobat
APR Lotus Approach 97 file
APS Microsoft Visual C++ file
ARC LH ARC (old version) compressed archive
ARI Aristotle audio file
ARJ Robert Jung ARJ compressed archive
ART Xara Studio drawing
ART Canon Crayola art file
ART Clip Art file format
ART Another Ray Tracer format
ART Used by AOL to designate files compressed using the Johson-Grace
compreession algorithm
ASA Microsoft Visual InterDev file
ASC ASCII text
ASC PGP armored encrypted file
ASD WinWord AutoSave
ASE Velvet Studio sample
ASF Microsoft Advanced Streaming Format file
ASM Assembler language source file
ASO Astound Dynamite Objects
ASP Active Server Page (an HTML file containing a Microsoft
server-processed script)
ASP Procomm Plus setup and connection script
ASP Astound Presentation file
AST Astound multimedia file
AST Claris Works "assistant" file
ASV DataCAD Autosave file
ASX Cheyenne Backup script
ASX Microsoft Advanced Streaming Redirector file
ASX Video file
ATT AT&T Group 4 bitmap
AU Sun/NeXT/DEC/UNIX sound file
AU Audio U-law (pronounced mu-law) file format
AVB Inculan Anti-Virus virus infected file
AVI Microsoft Audio Video Interleaved file format for Windows movie
AVR Audio Visual Research file format
AVS Application Visualization System format
AWD FaxView document
AWR Telsis file extension format for digitally stored audio.
AXX ARJ compressed files from a multi-volume archive (xx = a number
from 01 to 99)
A3M unpackaged Authorware MacIntosh file
A4M unpackaged Authorware MacIntosh file
A4P Authorware file packaged without runtime
A3W unpackaged Authorware windows file
A4W unpackaged Authorware windows file
A5W unpackaged Authorware windows file