You can format WD Passport for Windows with compatible file system to solve this problem. When your WD Passport formatted with a file system not recognized by Windows operating system like Ext2, Ex3 or Ext4, you won’t be able to access and open it. What does the message mean? How can I make my WD Passport workable under Windows computer?” File systems compatible with Windows
Please make sure that all required file system drivers are loaded and that the volume is not corrupted. The volume does not contain a recognized file system. But I find that it cannot be opened in File Explorer, after connecting it to my home computer that running Windows 7. “I have a WD Passport 500GB portable external hard drive that has been formatted with Ext2 and it works well.
Unable to open WD Passport drive in Windows 7
