In winXP how to change extension name of a file?

To do this, open My Computer %26amp; go to the Tools Menu %26amp; then click Folder Options, in the dialog box change to the View tab %26amp; look for Hide extensions for known files %26amp; uncheck it %26amp; click OK.In winXP how to change extension name of a file?You can rename a file using Windows Explorer, right click the file %26gt;rename



Keep in mind though just because you change the extension name the file will not become what you change the extension to, you need to convert a file to do that.In winXP how to change extension name of a file?some have succeed to anser your question,but it wld be quiteconfusing...

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here its in formal manner

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START %26gt;



MYCOMPUTER%26gt;



TOOLS%26gt;



FOLDER OPTION%26gt;



VIEW TAB %26gt;



UNMARK hide extension for known file types %26gt;



APPLY OK !