Different File System Formats Available in Disk Utility ExFAT. It is the most compatible file system for older/modern computers (PC and Mac), plus gaming. But the "Scheme" popup menu does not appear in the panel. Let’s look at how to format your thumb drive for a Mac. Most USB flash drives will have a FAT32 file system out of the box. If I select the secondary item in that list (Lexar), I can successfully do a format operation. Launch Disk Utility press Command+Space then. 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. If you only use a Mac computer, you can format your thumb drive to work on Windows systems. Mysterious error when formatting higher item Format a disk for Windows computers in Disk Utility on Mac In Disk Utility, you can format an external disk that you can use with both a Microsoft Windows-based computer and a Mac. Select the parent folder for the drive you want to reformat or erase, then click the Erase button again. You should see the device names for each of your drives appear in the sidebar. The third one ( Apple Partition Map) is for booting old Macs (68K and PowerPC rather than Intel chips). Open Disk Utility and select View > Show All Devices from the menu bar. Why is this offered as a scheme for "Mac OS Extended (Journaled)"? That really threw me, and prompted this Question. But it can be confusing understanding what devices and. The most common file systems are FAT32, exFAT, and NTFS on Windows, APFS and HFS+ on macOS, and EXT on Linux though you may run into others on occasion. File systems are the sort of thing that many computer users take for granted. The second one ( Master Boot Record) is old, from the 80's DOS 2, for old PCs. Read on to find your perfect USB drive solution. 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:
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