File Extension DEF

Determine which application is associated with .DEF files.

You can click here to run a free scan for DEF related errors.

About the DEF file type:

If Windows cannot find the appropriate program associated with .DEF files, then your registry may have errors. Check your Windows registry for errors (includes file association errors).

Module-Definition File

Windows cannot open DEF files?

When Windows cannot determine which application to use to open DEF files this can be caused because:

1. You do not have the appropriate program installed.
2. You may have a registry related error.

SOLUTION:

We strongly recommend that you run a free registry scan for related errors.

File extension: .DEF

Browse more file extensions

DEF
DEFAULT
DEFAULTS
DEFENSE
DEFI
DEFS
DEH
DEI
DEJAVU-THEME-1
DEK
DEL
DELAY
DELETE
DELTA
DEM
DEMO
DEMO2
DEMOPIC
DEO
DEP
DEPLOY
DEPR
DEPRO
DEPROTECT
DEPROTECTS
DER
DES
DESC
DESCR
DESIGN
DESK
DESKEDIT
DESKLINK
DESKTOP
DESKTRCKR
DET
DETAILS
DETECTOR
DEU
DEV
DEVEL
DEVIATION
DEVLIST
DEWF
DEX
DEZ
DE_
DF
DF$
DF1
DF2
DF3
DF4
DF5
DF6
DF7
DF8
DF9
DFA
DFB
DFC
DFCLASS
DFCOMPONENT
DFD
DFF
DFG
DFI
DFL
DFM
DFN
DFONT
DFP
DFPACKAGE
DFS
DFSEQUENCE
DFT
DFV
DFW
DFWEBAPPLICATION
DFX
DG
DG-KEY
DGC
DGF
DGK
DGL
DGM
DGMARKER
DGN
DGO
DGP
DGPRINT
DGR
DGS
DGSCHEME
DGSCHEME-WEB
DGSS
DGT
DGTOOLBAR
DGW
DGX
DH
DH2
DHE
DHF
DHG
DHP
DHR
DHRP
DHT
DI
DIA
DIABLOFONT
DIALLIST
DIALOG
DIALOGUE
DIAMONDS
DIB
DIC
DICM
DICOM
DICPROOF
DICT
DICTIONARY
DID
DIE
DIE-AGAIN
DIESEL
DIF
DIFF
DIG
DIGI
DII
DIL
DIM
DIME
DIN
DINERDASHSAVEDGAME
DINGBATS
DIP

Currently viewing file extension DEF information.