External drive format to be writeable on both Mac and Windows
Solution 1:
According to this answer, you can use exFAT if your version of Mac OS X and Windows are new enough. That would be at least Mac OS X 10.6.5 and Windows Vista SP1.
According to this answer, you can use exFAT if your version of Mac OS X and Windows are new enough. That would be at least Mac OS X 10.6.5 and Windows Vista SP1.