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Trenton said:
How do I change the type (eg. .jpg) to another type
(eg. .mp3). I have tried renaming it in explorer menu but
no success.
File types differ, not just in their names, but in what they
contain and how they are formatted. Changing a file's name from
..jpg to .mp3 doesn't make it an mp3 file any more than calling a
camel an elephant makes it an elephant.
To convert a file from one type to another, first it has to
contain the type of data that is implied by the new file type
(for example, you can't change a spreadsheet file to a sound
file, but you can convert from one type of graphics file to
another); second, the conversion has to be done with a program
capable of doing the conversion.