Import Definition Import is a command typically located within a program's File menu (File → Import...). Like the standard File → Open... command, Import is used for opening files, but it serves a more specific purpose. Instead of opening standard file types, Import is often used for importing parts of files, program settings, plug-ins, or other unconventional file formats. Not all applications include an Import option, since the "Open..." command is often sufficient. Instead, the Import...