NTFS has quite a lot of strong advantages, which may actually make it a good format choice for certain external hard drives, depending on the circumstances. Under Volume Information, under format select 'MS- DOS (FAT)'.
If you just built a PC, or added a brand new hard drive or SSD to an existing computer, you have to format it before you can actually store. How to format toshiba external hard drive for windows 10 Method 1.