This article will show how to clear all data off a writeable or rewriteable CD or DVD by formatting it in Windows 10.Here is how to do this:1. Right-click on the Start button, typically found at the lower-left corner of the screen, then click on Settings. 2. On the left side of File Explorer, click This PC. 3. Right-click on the CD / DVD drive, then click Format. 4. On the Format window, select the specific options for the formatting, then click on Start. 5. A warning message will appear about deleting all data on the drive. To continue with the process, click OK. The CD / DVD will begin to format and, once finished, will show no data on the disc.