

You'll see the MacOS Utilities window choose "Disk Utility." Now you can choose to erase your startup drive, and choose "Mac OS Extended (Journaled)" as the operating system. To get around that problem, hold down the Command + R keys when you turn on your Mac and let go when the logo appears. The program icon looks like this: Select the external drive you want to format on the left hand side of the window. If you want to format your Mac's system drive, you can't do that when the Mac is running normally because the drive is in use by the operating system. How to Reformat on Mac: Open Disk Utility. Assign a new partition label, file system (NTFS/FAT32/EXT2/EXT3/EXT4/exFAT), and cluster size to the selected partition, then click 'OK'. Launch EaseUS Partition Master, right-click the partition on your external hard drive/USB/SD card which you want to format and choose the 'Format' option. Usually, you'll want ExFAT, which is the default for the MacOS. Launch EaseUS Partition Master, right-click the partition on your external hard drive/USB/SD card which you want to format and choose the 'Format' option. Select the drive in the left-hand sidebar. Select the drive you want to format and then choose “Erase.”Ĥ. At the top of the window, click "Erase."ĥ. In the pop-up window, choose the file system you want to use. Launch Disk Utility (from Applications > Utilities > Disk Utility). Click the Format pop-up menu, then choose a file system format.
