FILExt - The File Extension Source

Details for file extension .DLL 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. A search on the file extension you submitted shows 3 record(s).

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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: DLL
Program and/or Extension Function [What's This?]		Company [What's This?]
Dynamic Link Library
Specific Notes [What's This?]
A .DLL file is a support file and is used by one or more programs. As an example, if several parts of a program need to perform the same action that action may be placed into a .DLL file (library) that the various program parts can all use. This saves space and makes it easier when that particular routine needs to be updated. You should never have a need to "open" a .DLL file on its own; indeed, there really is no way to do so. Note: This file type can become infected and should be carefully scanned if someone sends you a file with this extension. If you want to look at the resources in a DLL library you can use a program like XN Resource Editor but BE CAREFUL as messing with a DLL file can seriously damage Windows or programs if you do the wrong thing. ..... [Search for DLL file errors with this scan.]
MIME Type [What's This?]	File Classification [What's This?]	Associated Links [What's This?]
application/x-msdownload application/octet-stream application/x-msdos-program		Microsoft DLL Help Database DLL-Files.com DLL File Collection afreeDLL DLL-Downloads.com File Collection XN Resource Editor
Identifying Characters [What's This?]
Hex: 4D 5A ASCII: MZ
Program ID [What's This?]
dllfile
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 3308 last modified on 2007-08-02.

Extension: DLL
Program and/or Extension Function [What's This?]		Company [What's This?]
CorelDraw Export/Import Filter
Specific Notes [What's This?]
(None) ..... [Search for DLL file errors with this scan.]
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 3306 last modified on 2003-01-14.

Extension: DLL
Program and/or Extension Function [What's This?]		Company [What's This?]
CorelDRAW Export/Import Filter
Specific Notes [What's This?]
(None) ..... [Search for DLL file errors with this scan.]
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?]
Note: This entry has not yet been verified by FILExt. It was submitted to the list and appeared to be accurate; however, no verification links have so far been found on the Internet. Please use this association data with that in mind.
This is record 3307 last modified on 2003-01-14.

System Info for File Extension .DLL

FILExt has been given permission to display the file extension database produced by the Associate This! program. Some of that data has already been included into the main FILExt database; but, not all. Those entries which have not yet been incorporated are shown below in the hope that they will be of some use. Data collected by FILExt on registered file extensions from user systems is also in the display. Be aware this is raw data which may require further research on your part to fully understand. In particular, look at the Program ID. Often a company will put the program's name into the short ID that Windows uses to open registered file extensions. If that's not the case, look at the complete path to the EXE file. Often, programs will install themselves into directories that give either the program or company name. The program name itself may also be used as the EXE file name. These listings are particularly important since they represent listings that are in actual use by users who have sumbitted data to FILExt and therefore these listings can point you to the most likely candidate should there be multiple entries in the FILExt main database.

MIME Type Info for File Extension .DLL

FILExt has been given permission to display a MIME type database collected by Anthony R. Nemmer. Some of that data has already been included into the main FILExt database; but, not all. Those entries which have not yet been incorporated are shown below in the hope that they will be of some use. Be aware this is raw data which may require further research on your part to fully understand. MIME type listings often contain the name of a program or, at a minimum, a type of file as the leading text in the MIME type.

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.