If a pop-up appears telling you to format the disk, click Format Disk.
How to Partition an External Drive in Windows 10
This means you’re splitting the drive into two formats, one for Mac and one for PC. Now you have a hard drive formatted for Windows, but what if you wanted to use it with Mac computers also? One easy way to have a hard drive that works with Mac and Windows is by partitioning it.
By default, Windows computers will choose NTFS (New Technology File System) for you because that’s the native Microsoft filing system.
How to Format a Hard Drive for Windows 10 Here’s how to format an external hard drive for Windows 10 or partition it.
You might want a drive that works with Macs and PCs, or maybe you want to partition it, which will split it up into two different formats. While most external hard drives are already designed to work for Windows computers, there are times when you need to reformat one.