If the drive is a traditional magnetic drive with a spinning platter, deleted files are simply 'marked' as deleted and will be overwritten in the future, making recovery of deleted data easy. Whether this is possible depends on a number of factors. It's often possible to recover deleted files from a drive. Why Do You Need to Securely Wipe a Drive? This Cybersecurity Awareness Week article is brought to you in association with Incogni. Whether you want to wipe an internal drive or an external USB drive, here's how to do it.
This ensures deleted files on the drive can't be recovered.
Windows has built-in tools that will let you write zeros to a drive, securely erasing its contents.