A file with a .cfg extension is usually a configuration file. The file will be used by an application to load all the configuration settings. There is no standard format for a .cfg file and how it can be modified will differ from application to application.
.txt, or a text file can always be opened by an application.
.txt, or a text file can always be opened by an application.
You can find out the file type by searching on http://filext.com/ and then you can see what programs you can use to open that file. Hope this helps.
True
Adobe Acrobat
an application runs a series of commands. a file is data stored in some retrievable way.
You can file Form I-539 for your application with the United States Citizenship and Immigration Services (USCIS).
go to file then click design application
The application layer (layer 7) is responsible for file transfer operations.
application
App software