Pretty much any USB-C hub should work with your iPhone and provide you with a greater range of ports. This is great if you want to quickly “dock” your iPhone to a variety of devices with a single ...
To format a hard drive before you start using it in Windows, use the Disk Management utility; on a Mac, use Disk Utility.
You can partition a hard drive in Windows 10 to create dedicated portions of the hard drive that your computer will recognize separately.