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.Part 3: Recover Accidentally Formatted WD Files.Part 2: How to Format WD my Passport for Mac.Part 1: Overview of WD My Passport File System.