Another option, for those who use both Windows and Mac OS regularly, is to partition your hard drive and have a portion of the drive formatted for each OS. There are tools available to use NTFS on a Mac (Fuse) or HFS on PC (HFSExplorer). Windows will not detect this file system without a third party utility. Only use this option if the drive will only be used in Mac OS. What many consider to be the go-to for writing to NTFS drives on a Mac, Microsoft NTFS comes from developer Paragon Software.

Mac OS Extended is the native solution for Mac users and has the max file size of any of them.It has a much larger max file size but is read-only on Mac OS X (unless you install a third party NTFS read/write utility). NTFS format is the file system Windows likes to use by default for internal drives running the operating system or used as a secondary storage drive.3) In the sidebar, select the disk or its volume you want to erase. 2) Open the built-in Disk Utility app on your Mac. Older operating systems might require an update to properly read and write to a USB drive with an exFAT file system. 1) Connect the external drive to your Mac’s USB port. It doesn’t have the 4GB file size limit and it’s compatible with most Windows and Mac operating systems. exFAT is the ideal file system for USB flash drives.It is the most compatible file system for older/modern computers (PC and Mac) plus gaming consoles and other devices with a USB port. 5) Enter the name you want to use as the drive’s new name once it’s formatted. Most USB flash drives will have a FAT32 file system out-of-box. 1) Connect the external drive to your Mac’s USB port. FAT32 is a common option you’ll hear because it’s recognised by both Mac and Windows operating systems, but it offers no security and caps files at 4GB in size.The file systems most commonly used in USB flash drives are: When formatting your drive, it’s important to understand the different formatting options available for your ideal use.

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