I have been using my WD Passport drive on my Windows PC. I am changing to a new computer. How do I format my drive so I can now use it to back up from my Mac:
Hi @EllenCleary,
Pleas refer to article: Steps to Format a Drive for Use with Windows or macOS
Also, Have you opened a Support Case? If not opened, for more information, please contact the WD Technical Support team for the best assistance and troubleshooting: