Technically, when you want to switch a USB or hard drive system to another OS, it is termed as reformatting. Now you can understand that there are several benefits of formatting a drive.

Thus, formatting the USB drive or external hard drive will get rid of any software conflict that you are facing and even glitches will disappear.

To remove all kinds of viruses and malware, formatting works more effectively than deleting the files.

To improve the performance of the drive, frequent formatting is essential.Thus, formatting the drive and deleting the previous system files and settings is vital. Using another OS-compatible drive can make your OS vulnerable to viruses, malware, and other malfunctions. But formatting will erase the binary data too. Simply erasing the data leaves a binary print on the drive. To remove the data from a USB drive or any other drive completely.Here are some other factors that will conclude that formatting the external drive with Mac is necessary as it will also improve the performance of the drive. Unless you intend to use the drive for file exchange between Windows and Mac, the formatting would be the right thing to do. But unless you format the drive on Mac, it can't be used as a bootable disk or with Time Machine. It is possible to read and write on a drive that has a different file system. But if you want to ensure that the drive has complete Mac compatibility, then you'll have to format the drive using the Mac OS Extended filesystem. It is done as a routine maintenance task. Overview of Formatting Drive on Macįormatting isn't just a process of erasing the existing data on a drive. The Best Format Choice of External Drive on Mac

How to format usb drive for mac