Step 2: On the Command Prompt window, type diskpart and press 'Enter'. Right-click on it and choose 'Run as administrator'. Step 1: Type cmd in the search box, then you can get the best match called Command Prompt. (The following steps are performed on Windows 10 PC.) Altogether, you'll walk through the whole formatting process in eight steps, and the time spent will depend on the USB flash drive capacity and used space on it.For your information, any form of disk formatting will completely erase data, so backup as many as important files before the start.How to Format USB Flash Drive from Command Prompt So here comes the question, how to format a USB flash drive? This page mainly illustrates how to format a USB flash drive using Windows inbuilt Command Prompt, and the following is the detailed guide you should strictly follow.By formatting, you can easily fix any USB flash drive, pen drive or memory stick that is write protected, virus infected, corrupted, damaged, unreadable, unrecognized by PC and Mobile.What's more, it's inevitable to develop bad sectors or corruption issues on a specified flash drive after a long-time use.The truth is that no matter what drive you're using, it must have a valid file system so that Windows can recognize it and put it to use.Yes, they are removable storage devices such as USB flash drive. Meanwhile, there are many other types of prevailing devices with more flexible features for different purposes.The storage devices that are widely used nowadays are typically HDDs and SSDs, which are always set up on a PC/Mac to install the operating system and store data files.Diskpart: How to Format USB Flash Drive from Command Prompt

Diskpart cmd