FILExt - The File Extension Source

Details for file extension .DFN are on this page. Because there is no central registry for file extensions and their associated programs there may be multiple entries on this page. And, because there are many (some say over a million) such associations not all may be listed here.

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Windows can't open .DFN files?
If Windows is unable to open files with the extension .DFN you may not have the appropriate program installed or, you may have registry errors. To help, we strongly recommend you run this free registry scan.

A search on the file extension you submitted shows 5 record(s). The details for each of these are shown below. The best FILExt can do for you is provide the details we know about. Selecting the information that applies to your particular situation is up to you. Use any hints provided. If the information here is not helpful, FILExt is sorry; but as a research site FILExt cannot provide personal support. If you need further information you might try the research tips on the FILExt Help Me page.

Extension: DFN
Program and/or Extension Function [What's This?]		Company [What's This?]
Definition File
Specific Notes [What's This?]
Various types and often ASCII text files. Recommended: Find DFN errors now.
MIME Type [What's This?]	File Classification [What's This?]	Associated Links [What's This?]
		None
Identifying Characters [What's This?]
(None or Unknown)
Program ID [What's This?]
(None or Unknown)
General Notes [What's This?]
Various programs use this extension; too many to list individually. Take clues from the location of the file as a possible pointer to exactly which program is producing the file. The file's date and time can also help if you know which programs you were running when the file was written.
This is record 3156 last modified on 2003-01-14 and created on 2003-01-14.

Extension: DFN
Program and/or Extension Function [What's This?]		Company [What's This?]
Delphi Integrated Translation Environment		Borland Software Corporation
Specific Notes [What's This?]
One for each Delphi or C++ form [.DFM] Recommended: Find DFN errors now.
MIME Type [What's This?]	File Classification [What's This?]	Associated Links [What's This?]
		None
Identifying Characters [What's This?]
(None or Unknown)
Program ID [What's This?]
(None or Unknown)
General Notes [What's This?]
(None)
This is record 3158 last modified on 2005-03-28 and created on 2003-01-14.

Extension: DFN
Program and/or Extension Function [What's This?]		Company [What's This?]
DFNWarrior Itemlist
Specific Notes [What's This?]
(None) Recommended: Find DFN errors now.
MIME Type [What's This?]	File Classification [What's This?]	Associated Links [What's This?]
		None
Identifying Characters [What's This?]
(None or Unknown)
Program ID [What's This?]
(None or Unknown)
General Notes [What's This?]
(None)
This is record 3157 last modified on 2003-01-14 and created on 2003-01-14.

Extension: DFN
Program and/or Extension Function [What's This?]		Company [What's This?]
TalkAssist Icon String Meaning
Specific Notes [What's This?]
(None) Recommended: Find DFN errors now.
MIME Type [What's This?]	File Classification [What's This?]	Associated Links [What's This?]
		None
Identifying Characters [What's This?]
(None or Unknown)
Program ID [What's This?]
(None or Unknown)
General Notes [What's This?]
(None)
This is record 3159 last modified on 2003-01-14 and created on 2003-01-14.

Extension: DFN
Program and/or Extension Function [What's This?]		Company [What's This?]
Winyaps Style
Specific Notes [What's This?]
(None) Recommended: Find DFN errors now.
MIME Type [What's This?]	File Classification [What's This?]	Associated Links [What's This?]
		None
Identifying Characters [What's This?]
(None or Unknown)
Program ID [What's This?]
(None or Unknown)
General Notes [What's This?]
(None)
This is record 3160 last modified on 2003-01-14 and created on 2003-01-14.

General Info

• If the extension you are looking for is of the form .??_ the file is likely a compressed file and part of an install routine. When the install program runs it will expand the file and replace the underscore with the proper letter for the file type.
• If the file is sent as an audio file with any three-character extension it may be a dictation file where the extension is the dictator's initials; playable by BCB Voice Systems software (see ??? extension). The file could likewise be a dictation file in TrueSpeech format. Use Windows Sound Recorder and/or Media Player to play these back.
• If the extension you are looking for has a number at the end or is only a number and there were no results consider entering the same extension format using zero or one as some programs produce numbered split files but when the split can be extensive (e.g., .000-.999) only the first entry is in the database.

Need more information about any entries on this page? Try a Google search using terms in the above information along with words like "format," "convert," "conversion," and even "hacking." A search box is provided here for your convenience.

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