The above solution may apply to any folder containing files. To assign a file type , the new name must end in a period followed by the desired three-letter extension. Copy the file. Right-drag the file to the desired destination. Right-drag the file to the left window.
Alternative solutions exist .
Copy a file to a diskette. Right-click the file and select 'Send to'. Cut and Paste the file to be moved. Right-click on the file to be moved to display the popup menu. Right-click on the folder to receive the file.