.jpg is a picture format.
A console is saved in a file with an .msc file extention, and a snap-in in a console can itself be a console.
Depending on what kind of application you are creating, any saved Flash file itself has the FLA extension. The final produced output is either a SWF or a Projector EXE.
Image file
System file
Temporary File
The extension. It tells Windows what kind of a file it is. For example, a file with the ".doc" extension is a Microsoft Word Document.
system file hgu
XLS is the shorthand for Microsoft Excel file extension. A file extension is the group of letters following a period in a file name, denoting what kind of file it is.
backupfile
flv
animation/moviefile
Animation/movie flie