Same time like simultaneously? No
You can connect to one OS at a time and format to cross platform on FAT32 or use an app to allow you to write to the drive when formatted to other OS
Check HFS Explorer and NTFS-3G
Same time like simultaneously? No
You can connect to one OS at a time and format to cross platform on FAT32 or use an app to allow you to write to the drive when formatted to other OS
Check HFS Explorer and NTFS-3G