Formatting when it is not recognized

After purchasing an external hard drive for the Mac, it is not recognized in the window.

(“Creating and formatting hard disk partitions” will be easier to do, but it can't run.

Run the command prompt (CMD) as administrator.

After that, the instructions will be deleted through the external hard drive partition and formatted with EXFAT 32 compatible in Windows and McOS.

diskpart

Print a disk list. Check the number of the external hard drive.

list disk

Select the checked hard and initialize.

SELECT DISK {Disk Number}
 Clean
 Create Partition Primary
 format FS = Exfat Quick
 Assign Letter = {Drive Character}