
But the "Scheme" popup menu does not appear in the panel.
FORMAT USB ON MAC FOR PC AND MAC MAC
You can connect to Mac and Windows computers that have file sharing turned on, as well as servers that use SMB/CIF, NFS and FTP. If you know the address for a shared computer or server on your network, you can use it to connect to the computer or server. If I select the secondary item in that list (Lexar), I can successfully do a format operation. Network address formats and protocols on Mac. No matter what Scheme I choose, I get an error when trying to format the item higher in the hierarchy in the sidebar to the left (Lexar USB Flash…), as shown in the screen shot above. (Or, you can open Launchpad, type disk, and then click the Disk Utility. To run it, press Command+Space on your keyboard and type disk utility, and then click the Disk Utility icon. Mysterious error when formatting higher item To format a USB drive with the exFAT file system on a Mac, you’ll need to use a tool called Disk Utility created by Apple that ships with macOS.

The third one ( Apple Partition Map) is for booting old Macs (68K and PowerPC rather than Intel chips). Why is this offered as a scheme for "Mac OS Extended (Journaled)"? That really threw me, and prompted this Question. This is useful if a drive is being used under both Operating System (OS)to. The second one ( Master Boot Record) is old, from the 80's DOS 2, for old PCs. A Western Digital external hard drive can be used on both Windows and Mac OSX. Booting is not an issue for my use of this flash drive. I know the first one ( GUID Partition Map) is for booting modern Macs. When using Disk Utility 16.3 with macOS Sierra to format a "thumbdrive" USB 3 Lexar flash drive (64 gigs), when I choose a Format of ‘Mac OS Extended (Journaled)’, I get a list of three Scheme items:
