File extension dll

File extension dll is one of the file extensions that define type of the file and its contents.

Dll or Dynamic Link Library (also called unhyphenated) is actually the concept used by the Microsoft Corporation to implement the concept of a shared library. File extension dll is a type of a support file – it complements other programs and files quite effectively . Such files can be used by one or more programs. As an illustration, if the various different parts of a program need to perform one single action common to all, then that may be placed into a .dll extension file. This can ultimately be used by all the parts of the program. A . dll extension file is thus quite handy.

As far as opening and accessing such files is concerned, then the user does not have to open a file with such an extension. Such files can be infected and should always be scanned if you come across such a file. It is never recommended to try to edit or change a file with the .dll extension as this may to a serious damage to the Windows and other programs if it goes wrong.

The file formats which are to be used for File extension dll are exactly same as those used for the files with the .exe extensions, i.e. the programs. They use Portable Executable (PE) for the 32-bit and 64-bit Windows and use New Executable (NE) for the 16-bit Windows. As far as the data contained by the .dll files is concerned, then they may contain anything from codes to resources to data, in different combinations depending upon the type of the file.

The File extension dll are very similar to the .exe files, and thus, the export functions of these files can be done in the same way as for the latter. Running a .dll file directly cannot be done as these files need a path or program in the form of the .exe extension to get opened. It can be said that the different operating systems such as Windows and OS/2 are integrated, upgraded and aggregated programs of different files with .dll extensions. A file with the .dll extension might also require the permission of the administrator to get accessed but this is generally not the case with their .exe counterparts.

Confused about File extension dll? 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.

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