Look though the list of files. Once you find the file your wish to delete, use your mouse to right click on the name of the file. A box with a list of options will appear. Use your mouse to scroll down to the Delete option. Right click your mouse to select Delete.How do you permanently delete all files?
Choose the "Erase" option from the "Eraser" sub-menu. Hover over the "Eraser" option on the original pop-up menu until another menu pops out to the side. From this menu, select "Erase" to permanently delete that file or folder. The erase task will be immediately executed.How do I permanently delete files from my hard disk?
To delete the files, right click the file or folder and click "Delete" from the drop-down menu. Click "Yes" to confirm the removal. You can also click on the file or folder icon and drag it to your desktop's Recycle Bin. Continue deleting files until you have removed all the unnecessary files from your external hard drive.