File Extension Seeker
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File extension
filetypes
Website
EXT
Filetype description
FileInfo
_DOC
Renamed
Microsoft
Word
Document
File Extensions
_DOCX
Microsoft
Word
auto
backup
file
FileInfo
_DOCX
Renamed
Microsoft
Word
Document
File Extensions
ADOC
Authentica
Secure
Office
encoded
Word
document
FILExt
ADOC
Authentica
Secure
Office
Protected
Word
Document
(
Authentica
)
File Extensions
ADPR
Atlantis
Word
Processor
project
File Extensions
ANS
Microsoft
Word
text
and
layout
data
FILExt
ANS
Word
Text
and
Layout
(
Microsoft
Corporation
)
File Extensions
AS$
Microsoft
Word
temporary
file
TrID
ASC
Atlantis
Word
Processor
SpellCheck
settings
Header Hexdump
:
5B 47 65 6E 65 72 61 6C 5D
FILExt
ASC
Atlantis
Word
Processor
Spellchecker
(
Rising
Sun
Solutions
Inc.)
File Extensions
ASC
Atlantis
Word
Processor
spellchecker
data
File Extensions
ASD
Microsoft
Word
auto
-
save
document
DotWhat
ASD
Microsoft
Word
AutoSave
File
FileInfo
ASD
Microsoft
Word
AutoSave
File
FILExt
ASD
Word
Automatic
Backup
(
Microsoft
Corporation
)
FILExt
ASN
Atlantis
Word
Processor
Sound
Scheme
(
Rising
Sun
Solutions
Inc.)
File Extensions
ASN
Atlantis
Word
Processor
sound
scheme
TrID
ASN
Atlantis
Word
Processor
Sound
Scheme
Header Hexdump
:
04 4C E5 AF 39 00 00 00 00 0B 44 45 53 43 52 49
FILExt
AW
Applix
Word
File Extensions
AWD
COREX
automatic
word
and
phoneme
segmentation
file
File Extensions
AWKW
Awkwords
word
generator
file
DotWhat
AWWP
Microsoft
Works
Word
Processor
file
FILExt
BACKPACK
Backpack
Word
List
(
Mammoet
Software
)
File Extensions
BDC
SmartWare
Word
Processor
backup
file
TrID
BIN
Mac
AppleWorks
word
processor
document
(
MacBinary
)
Header Hexdump
:
00
TrID
BIN
Mac Mac
Word
6
document
(
MacBinary
)
Header Hexdump
:
00
TrID
BIN
Mac Mac
Word
8
document
(
MacBinary
)
Header Hexdump
:
00
TrID
BIN
Mac
Microsoft
Word
dictionary
(
MacBinary
)
Header Hexdump
:
00
TrID
BIN
Mac
Microsoft
Word
document
(
MacBinary
)
Header Hexdump
:
00
TrID
BIN
Mac
Microsoft
Word
document
(
MacBinary
)
Header Hexdump
:
00
TrID
BIN
Mac
Microsoft
Word
glossary
(
MacBinary
)
Header Hexdump
:
00
TrID
BIN
Mac
Microsoft
Word
help
(
MacBinary
)
Header Hexdump
:
00
TrID
BIN
Mac
Microsoft
Word
print
data
(
MacBinary
)
Header Hexdump
:
00
TrID
BIN
Mac
Microsoft
Word
template
(
MacBinary
)
Header Hexdump
:
00
File Extensions
BINA
Microsoft
Word
5 for Mac
document
DotWhat
BINA
Text
file
saved
as
Word
DOS or
Word
Windows
file
FileInfo
BNA
Barna
Word
Processor
Document
File Extensions
BNA
Barna
Word
Processor
document
TrID
BTX
DB/
TextWorks
Database
Term
and
Word
Index
Header Hexdump
:
42 54 58 20 30 30 35 20
FILExt
BTX
DB/
TextWorks
Database
Term
and
Word
Indexes
(
Inmagic
Inc.)
File Extensions
BTX
InMagic
database
term
/
word
index
FILExt
C2E
NJStar
Chinese
Word
Processor
Dictionary
File
Index
(
NJStar
Software
Corp
.)
File Extensions
CHS
Microsoft
Windows
Chinese
noise
-
word
list
File Extensions
CHT
Microsoft
Windows
Chinese
noise
-
word
list
file
File Extensions
CJD
Casio
Ex-
word
dictionary
file
FILExt
CLKW
Clicker
Word
Bank
(
Crick
Software
Ltd.)
File Extensions
CLKW
Clicker
word
bank
data
DotWhat
CLKW
Clicker
Word
Bank
FileInfo
CLKW
Clicker
Word
Bank
FILExt
CLR
WinEdit
Colorization
Word
List
File Extensions
CMP
Microsoft
Word
for DOS
user
dictionary
file
DotWhat
CMP
Microsoft
Word
for DOS
User
dictionary
FILExt
CMP
Word
for DOS
User
Dictionary
(
Microsoft
Corporation
)
File Extensions
CNV
Microsoft
Word
text
conversion
data
FILExt
CNV
Word
Data
Conversion
File
(
Microsoft
Corporation
)
DotWhat
CNV
Word
Data
conversion
support
file
FILExt
COD
Atlantis
Word
Processor
Encrypted
Document
(
Rising
Sun
Solutions
Inc.)
File Extensions
COD
Atlantis
Word
Processor
encrypted
document
TrID
COD
Atlantis
Word
Processor
encrypted
document
Header Hexdump
:
39 38 37 44 20 54 74 63 61 64
TrID
COD
Standard
Word
printer
control
Codes
Header Hexdump
:
06 50 52 54 43 4F 44
TrID
CWK
Claris
Works
word
processor
(
MacBinary
)
Header Hexdump
:
00
FILExt
DAT
MS
Word
for DOS
File
DotWhat
DBS
Microsoft
Word
printer
description
file
File Extensions
DBS
Microsoft
Word
/
Works
printer
description
file
FILExt
DBS
Word
Printer
Description
File
(
Microsoft
Corporation
)
File Extensions
DCT5
Microsoft
Word
5 for Mac
dictionary
file
TrID
DCX
Microsoft
Word
for DOS
Document
Header Hexdump
:
31 BE 00 00 00 AB
File Extensions
DFV
Microsoft
Word
print
format
template
FILExt
DFV
Word
Print
Format
Template
(
Microsoft
Corporation
)
TrID
DOC
1ST
Word
Plus
Document
Header Hexdump
:
1F 30
TrID
DOC
Dac-
Easy
Word
Document
Header Hexdump
:
1A 44 41 43
TrID
DOC
Ease
Word
-Pro
Document
Header Hexdump
:
4F 50 45 52 41 1A 05 01
TrID
DOC
Enterprise
128
Word
Processor
document
Header Hexdump
:
00 08 00 00 00 00 00 00 00 00 00 00 00 00 00 00
TrID
DOC
Microsoft
Word
98
document
(
Macintosh
)
Header Hexdump
:
D0 CF 11 E0 A1 B1 1A E1 00
FileInfo
DOC
Microsoft
Word
Document
(
Legacy
)
TrID
DOC
Microsoft
Word
document
(
MacBinary
)
Header Hexdump
:
00
TrID
DOC
Microsoft
Word
document
(old ver.)
Header Hexdump
:
D0 CF 11 E0 A1 B1 1A E1
File Extensions
DOC
Microsoft
Word
document
(
prior
version
2007
)
DotWhat
DOC
Microsoft
Word
Document
TrID
DOC
Microsoft
Word
document
Header Hexdump
:
D0 CF 11 E0 A1 B1 1A E1 00
TrID
DOC
Microsoft
Word
for DOS
Document
Header Hexdump
:
31 BE 00 00 00 AB
TrID
DOC
Microsoft
Word
for
Windows
(v1.x)
Header Hexdump
:
9B A5 21 00
TrID
DOC
Microsoft
Word
for
Windows
(v2.x)
Header Hexdump
:
DB A5 2D 00
FILExt
DOC
Word
Document
(
Microsoft
Corporation
)
Cryer
DOC
Word
document
FILExt
DOC
Word
DOT
File
(
Microsoft
Corporation
)
TrID
DOC
Word
for the
Macintosh
/
Write
for
Atari
ST
document
(v1.0)
Header Hexdump
:
FE 32 00
Cryer
DOC
Word
Perfect
document
File Extensions
DOCE
Document
Manager
encrypted
Microsoft
Word
document
FILExt
DOCENX
egis
Encrypted
Word
DOC
File
(
HiTRUST
Inc.)
File Extensions
DOCENX
Egis
encrypted
Word
document
File Extensions
DOCHTML
Microsoft
Word
HTML
document
FILExt
DOCHTML
Word
HTML
Document
(
Microsoft
Corporation
)
DotWhat
DOCHTML
Word
View
HTML
Document
File Extensions
DOCL
Document
Manager
locked
Word
document
DotWhat
DOCM
Microsoft
Office
Word
FileInfo
DOCM
Microsoft
Word
Macro
-
enabled
Document
File Extensions
DOCM
Microsoft
Word
Open
XML
macro
-
enabled
document
TrID
DOCM
Word
Microsoft
Office
Open
XML
Format
document
(
with
Macro
)
Header Hexdump
:
50 4B 03 04
FILExt
DOCM
Word
Microsoft
Office
Open
XML
Format
Document
with
Macros
Enabled
(
Microsoft
Corporation
)
FILExt
DOCMENX
egis
Encrypted
DOCM
(
Word
2007
)
File
(
HiTRUST
Inc.)
File Extensions
DOCMHTML
Microsoft
Word
MIME
HTML
document
file
FILExt
DOCMHTML
Word
HTML
Document
(
Microsoft
Corporation
)
DotWhat
DOCMHTML
Word
View
MHTML
Document
DotWhat
DOCX
Microsoft
Office
Word
Cryer
DOCX
Microsoft
Word
(XML)
document
FileInfo
DOCX
Microsoft
Word
Document
File Extensions
DOCX
Microsoft
Word
Open
XML
document
FILExt
DOCX
Word
Microsoft
Office
Open
XML
Format
Document
(
Microsoft
Corporation
)
TrID
DOCX
Word
Microsoft
Office
Open
XML
Format
document
Header Hexdump
:
50 4B 03 04
File Extensions
DOCXENX
Egis
encrypted
Word
DOCX
file
FILExt
DOCXENX
egis
Encrypted
Word
Open
XML
DOCX
File
(
HiTRUST
Inc.)
File Extensions
DOCXL
Document
Manager
locked
Word
Open
XML
document
DotWhat
DOCXML
Word
View
XML
Document
FileInfo
DOT
Microsoft
Word
Document
Template
(
Legacy
)
File Extensions
DOT
Microsoft
Word
document
template
(up to
Microsoft
Word
2003
version
)
DotWhat
DOT
Microsoft
Word
Document
Template
Cryer
DOT
Microsoft
Word
template
FILExt
DOT
Word
Document
Template
(
Microsoft
Corporation
)
File Extensions
DOTHTML
Microsoft
Word
HTML
document
template
FILExt
DOTHTML
Word
HTML
Document
Template
(
Microsoft
Corporation
)
DotWhat
DOTHTML
Word
View
HTML
Template
DotWhat
DOTM
Microsoft
Office
Word
Cryer
DOTM
Microsoft
Word
2007
template
supporting
macros
FileInfo
DOTM
Microsoft
Word
Macro
-
Enabled
Document
Template
File Extensions
DOTM
Microsoft
Word
Open
XML
macro
-
enabled
document
template
FILExt
DOTM
Word
Microsoft
Office
Open
XML
Format
Template
with
Macros
Enabled
(
Microsoft
Corporation
)
FILExt
DOTMENX
egis
Encrypted
DOTM
(
Word
2007
)
File
(
HiTRUST
Inc.)
File Extensions
DOTMENX
Egis
encrypted
Word
DOTM
document
DotWhat
DOTX
Microsoft
Office
Word
Cryer
DOTX
Microsoft
Word
2007
template
FileInfo
DOTX
Microsoft
Word
Template
File Extensions
DOTX
Microsoft
Word
XML
document
template
FILExt
DOTX
Word
Microsoft
Office
Open
XML
Format
Template
(
Microsoft
Corporation
)
FILExt
DOTXENX
egis
Encrypted
DOTX
(
Word
2007
)
File
(
HiTRUST
Inc.)
File Extensions
DOTXENX
Egis
encrypted
Word
DOTX
file
File Extensions
DOX
Microsoft
Word
text
document
FILExt
DOX
Word
Text
Document
(
Microsoft
Corporation
)
Cryer
DRW
Brother
word
-
processor
file
FILExt
DX
MultiMate
Word
Processor
Document
FILExt
E2C
NJStar
Chinese
Word
Processor
Dictionary
File
Index
(
NJStar
Software
Corp
.)
FileInfo
ECW
EclipseCrossword
Word
List
File
File Extensions
ECW
EclipseCrossword
word
list
FILExt
ECW2002WORDS
EclipseCrossword
Word
List
File Extensions
ECW2002WORDS
EclipseCrossword
word
list
FILExt
EKM
EXP: The
Scientific
Word
Processor
Macro
DotWhat
ENW
Windows
Word
processing
Format
FILExt
ESS
EXP: The
Scientific
Word
Processor
Style
Sheet
FileInfo
EWL
EclipseCrossword
Word
List
File
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