How to change the extension of a file
There is different methods to change the extension of a file. Changing the extension name can be done by different methods. Some methods will work on some files but not others.
The naming convention of a file is as follows
Joseph.JPG
Joseph - is the filename of the file
.JPG - is the extension of the file
Change name via Windows Explorer
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Open Windows Explorer
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Go to the location the file is at
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Click on the filename of the file till the filename is highlighted.
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Type the name and extension that you want the file to have
NOTE: Some files will not work by this method. On the files that don't work in this method, you would need to open it in a program that will change the file.
Change the filename or extension using a program
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You will need to open the program designed for the file that you want to open
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Example, to change the extension of a file from .gif to .jpg or change the filename of a file, you can use Paint (there are other programs that does the same as Paint