Problem with hard disk esterno

Portable Drives My Passport
1

my mac e my pc desktop don’t see my hard disk external wd, the light of wd is blinking but doesn’t reconize.

Can I save my documents inside

2

Which external hard drive do you have? Is it seen in Disk Utility for diagnostics? Which was your primary system? If you were using a Mac-optimized file system such as HFS+ then Windows will not be able to detect your drive.