As more of us begin to use both Mac and Windows machines at CSU Monterey Bay, it will be important to make sure we properly name our files so everyone can use the file, no matter what platform they use. The filename extension allows a user and the operating system to know what kind of file they are dealing with so they can select the proper application to open the file. Each application often uses a specific extension to identify the files that were created by that application.
File names consist of two parts, the filename and the extension, and are separated by a period.