Configuration Files Extensions - What are configuration files and how do I open a configuration file?

What are configuration files and how do I open a configuration file?

File Type Category File Format
.a2theme Configuration Files Aston 2 Theme File
.aco Configuration Files Adobe Photoshop Color Swatch File
.ams Configuration Files Adobe Monitor Setup file
.ase Configuration Files Adobe Swatch Exchange File
.ast Configuration Files Adobe Color Separations Table
.atn Configuration Files Photoshop Actions File
.avs Configuration Files Avid Project Preferences File
.bcmx Configuration Files Business Contact Manager Customization
.bxx Configuration Files BS Contact Parameter File
.cdt Configuration Files CorelDRAW Image Template
.cfg Configuration Files Configuration File
.cfs Configuration Files Compact File Set Archive
.clg Configuration Files Windows Catalog File
.conf Configuration Files Unix Configuration File
.cos Configuration Files Capture One Settings File
.cva Configuration Files HP Systems Software Manager Information File
.dbg Configuration Files FoxPro Debugger Configuration
.dcl Configuration Files AutoCAD Dialog Definition File
.drm Configuration Files Cubase Drum Map File
.ds_store Configuration Files Mac OS X Folder Settings File
.dsd Configuration Files AutoCAD Drawing Set Description File
.ens Configuration Files EndNote Style File
.ev3 Configuration Files Everlock Options File
.fat Configuration Files Zinf Theme File
.fbt Configuration Files ABBYY FineReader Document Options File
.ffx Configuration Files After Effects Preset File
.fmt Configuration Files FoxPro Format File
.gen Configuration Files Sega Genesis ROM
.gmap Configuration Files Garmin Map File
.grd Configuration Files Photoshop Gradient File
.ht Configuration Files HyperTerminal Session File
.iaf Configuration Files Outlook Internet Account File
.ica Configuration Files Citrix ICA File
.inf Configuration Files Setup Information File
.ini Configuration Files Windows Initialization File
.ins Configuration Files Internet Settings File
.layout Configuration Files Code::Blocks Workspace Layout File
.lfo Configuration Files Alchemy Low Frequency Oscillator Presets File
.lrtemplate Configuration Files Adobe Photoshop Lightroom Template
.lyt Configuration Files Xcalibur Layout File
.me Configuration Files Readme Text File
.mmp Configuration Files Symbian Project Specification File
.msm Configuration Files Windows Installer Merge Module
.mst Configuration Files Windows Installer Setup Transform File
.mtf Configuration Files Motorola Theme File
.odc Configuration Files Office Data Connection File
.onetoc2 Configuration Files Microsoft OneNote Table of Contents File
.ops Configuration Files Office Profile Settings File
.ovpn Configuration Files OpenVPN Configuration File
.pal Configuration Files Painter Custom Palettes File
.pip Configuration Files Office Personalized Settings File
.plist Configuration Files Mac OS X Property List File
.prf Configuration Files Outlook Profile File
.prfpset Configuration Files Premiere Pro Effect Preset File
.prm Configuration Files Parameter File
.propdesc Configuration Files Property Description
.properties Configuration Files Java Properties File
.prx Configuration Files Windows Media Profile File
.psf Configuration Files Photoshop Proof Settings File
.pws Configuration Files Painter Workspace File
.qrc Configuration Files Qt Resource Collection File
.qvt Configuration Files QlikView Theme File
.rmskin Configuration Files Rainmeter Skin File
.sed Configuration Files IExpress Self Extraction Directive File
.set Configuration Files Settings File
.sfo Configuration Files CuteFTP Search File
.stb Configuration Files AutoCAD Plot Style Table File
.themepack Configuration Files Windows 7 Theme Pack
.wcz Configuration Files Chameleon Clock Wallpaper File
.wtf Configuration Files World of Warcraft Text File
.xtp Configuration Files AutoCAD Exported Tool Palettes File
.zap Configuration Files Zero Administration Package File