Format Your Hard Drive for both Mac & Windows

Formatting External Hard Drives or USB stick for Mac & PC
Format System On Mac On PC File Size Limit
Mac OS Extended Journaled Read/Write Not Useable

(watch out for Format request)

None
Windows NTFS Read Only Read/Write None
FAT (32) Read/Write Read/Write 4GB*
ExFAT Read/Write Read/Write None
*Files over 4GB will be broken in to multiple files 4GB or less causing audio sync problems

Best solution for external hard drive or USB stick use with both Mac & PC = ExFAT

Format to ExFAT using Mac

Format to ExFAT using PC