my passport for Mac on a PC I have photos on My Pass0port for Mac and attempted without success to download other photos using my Acer which uses Windows 10
By default the Mac formats external drives with HFS+ format. You'd need to load software on your PC to read that filesystem or return the drive to the Mac to change around the settings.

Search here for things in filesystem and with HFS and windows for more information.


Transfer files between bootcamp partitions
Why I can not see mac partition under windows installed with bootcamp?