Learn how to format a write-protected USB pen drive or flash drive or SD card on Windows 11/10. Remove Read-only attributes using diskpart.

This guide show how to format a USB drive to FAT32 file system using File Explorer and Disk Management tool on a Windows 11/10 PC.

If you need a USB drive that's widely compatible with different devices, you may want to format it to FAT32. Here's how to do so on Mac and PC.

If you need to format a USB flash drive, here's how it's done on all three major operating systems.

However, they can also have format errors that make them “undeletable.” Further reading: How to format USB sticks and external drives in Windows Such situations no doubt are frustrating.