The world's largest computer file extension library with detailed explanation of each file type with links to associated software programs. (original) (raw)

File extension or filename suffix is usually three, four or more characters at the end of computer file names divided by a dot.
File extensions are useful to computer programs and operating systems like Windows or macOS (OS X), and basically telling them, what kind of data and file type they are working with and what associated program opens the file.

File-extensions.org library contains thousands of file extensions and the database is still growing.
A large number of file type entries have detailed descriptions, including their current use and the list of programs that can open, view, edit, convert or play unknown file you search for.

File extension of the day

Random daily pick from File-Extensions.org's database.

.easm - SolidWorks eDrawing assembly data

For an overview of common file types,
visit the common file extensions page, which includes a list of the most important computer file formats you should know.

Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)