Granted, FAT32 is less efficient than NTFS in Windows, but it has inherent benefits too, like its compatibility. Western Digital (WD) hard drives are formatted with NTFS (Windows) or HFS+ (Mac) by default to make them more compatible with both operating systems.
That being said, situations arise when you'll need to format or reformat the drive. Coupled with the WD Backup TM app and password protection feature, My Passport helps to keep your data safe. My Passport is a hard drive that's trustworthy and portable enough to be given a 5-star rating on almost any website you check. Of course, there is much exchange of valuable data as these happen, and where you keep this data is extremely important that's where WD's My Passport comes in. We're always using our phones and computers to send messages, host meetings, shop online, etc. Technology has reached a point where it pretty much seeps into every aspect of our daily life. Part 1 - Overview of WD My Passport File System Part 4: Extra Information to Use WD My Passport for Mac.