How do I format a hard drive? A computer hard drive stores your files, allowing you to access them at any time. The majority of the time, you want these files to remain stored properly and safely.

External hard drives can be moved between systems, reformatted at will, and repurposed without risking the data or stability of a primary computer.

A friend recently asked my advice on updating the hard drive on their computer. They were out of space on their drive and wanted to upgrade to a larger solid-state drive. Traditional hard drives use ...