File extension ID=0409

File extension ID=0409 is one of the file extensions that define type of the file and its contents.

File extension ID=0409 most probably refers to file extension ID.

There are several uses of file extension ID. These include:

  • Domino Server
  • Lotus Notes ID file
  • DVD or CD Disk Identification Files
  • AOL Instant Messenger Buddy identification file.

In case of DVD or CD Disk Identification File the information contained in a file with ID extension is just a textual information which could be used to identify specific disk in a library of disks. For example, if one application is distributed on multiple disks then each of the disks in the distribution package will have an ID file with information about disk number or another useful information identifying the disk.

If you think ID file was created by Domino Server or Lotus Notes make sure that you have one of these applications installed before opening the file. If you don’t have them then you probably won’t be able to open ID file since information contained there could be only interpreted by corresponding applications.

If ID file was created by AOL Instant Messenger and you think it is used as Buddy identification file then the easiest way to open it is to try renaming it by changing its extension to JPG or PNG. This could enable you to open it in image viewer application. Alternatively you can try open such ID file using any graphics editing application. Many such applications automatically determine what type of image you’re opening.

If you think that your file with File extension ID=0409 is not created by any of the applications above then you can try opening it using applications typically used to view textual or binary files and see if you can infer some useful information from there.

For more information on how to open files which were created by unknown application please refer to our Knowledge Base.

Confused about File extension ID=0409? Want to learn more about what file extensions are, how Windows and computers work? You can start by reading our knowledge base articles about these topics in our knowledge base which is regularly updated with new content.

Files on computers are grouped together into folders. Folders can contain files or other folders within them. Folders help keeps your computer files organized. Learn more about files and folders.

Files can contain different kinds of information – text documents, spreadsheets with numbers, pictures, videos, music, maps, etc… In order to tell which file contains which data, file extensions are used. File extension is a part of a file name that comes after the last dot. Examples of file extensions are JPEG, DOC, MP3, MP4, etc. A rough analogy would be person’s last name. Just like it, file extension identifies which “family” of files, specific file belongs to. Learn more about file extensions.

From computer’s point of view all files contain just long strings of numbers. It is computer applications (aka software) is what translates these numbers into useful, text images, and sounds. In order to open the file correctly, computer must use correct application that is appropriate for a file type (Word processor for text documents, photo application for image files, etc). Each file extension is assigned main default application that opens it and a number or additional applications that user can choose from. Information about these assignments is stored in Windows Registry. Failure to open files often results from Windows registry being corrupted. Learn more about Windows Registry.

For more information about id-0409 visit file extension ID-0409 page. Read it in French at file extension ID-0409 and in German at file extension ID-0409






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