The Format Did Not Complete Successfully. Format partition using DiskPart Solution 3. The format did not complete successfully error when you try to format a USB drive is a common problem faced by removable disk users.
The format did not complete successfully. Format pen drive with Command Prompt. If you have not downloaded anti-virus software you can use Windows Defender.
Why failed to format disk.
I tried running the command a few more times using the Quick Format option. So it should be helpful to clear the virus for good to make the portable drive work again. Why failed to format disk. At the end of formatting this message was displayed.