How to format Hard Drives using Windows and Mac Operating Systems

How To Format a Hard Drive for Macintosh Computers

Open Disk Utility Go to Macintosh HD Applications >Utilities> Disk Utility
in Disk Utility> Click on the sidebar and choose >Show All Devices
Pick the drive you want to reformat but choose the >External top volume in the display as shown here
Click Erase
Name the Hard Drive Choose the Volume Format: as APFS Scheme: GUID Partition Map Erase in the lower right corner to erase the drive
You can also use Format: Mac OS Extended (Journaled) Scheme: GUID Partition Map Then Click Erase

Plug in the external drive to the USB port and turn it on. Right Click on “My Computer” Then click on Manage
If the following wizard opens
Click on cancel. If the disk says Not Initialized then right click on the drive and initialize it by clicking on Initialize Disk. Click OK at the next menu to complete the process.
The next step is to format. Right click the drive in the stripped area and click New Partition
Click Next at the Convert Disk Wizard
7. Select the Primary partition and click Next
8. Specify Partition Size to the default which is the capacity of the drive and click Next
9. Assign a drive letter or choose the default then click Next 10. Select Format the partition with the following settings USE NTFS NAME THE DRIVE UNDER VOLUME LABEL Make sure that Perform a quick format is unchecked then click Next. 11. Click Finish to start the formatting process. Process will take @ 1.25 hours for 200 gigs (for example)