How to format a drive for use with an Apple system and IzzyStor

macOS 10.14 Mojave

1. Plug in the flash or external drive to the Mac
2. Launch "Disk Utility" which can be found in /Applications/Utilities/Disk Utility.app
   
3. In the top left corner of Disk Utility, click the menu button and choose "Show All Devices"
   
4. Now that you can see the device, and not just the volumes, we will format the device. Select the device, and click "Erase" in the top menu bar.
   
5. In the window that appears, choose the following options 
   Name: (any name you want)
   Format: Mac OS Extended (Journaled)
   Scheme: GUID Partition Map
   
   
6. Click "Erase"

Your drive is now correctly formatted for use with an Apple system and compatible with utilities such as IzzyStor