But if yóu didn't forésee that, you máy have got formatted your get with Apple's HFS Plus, which Home windows can't go through by default. If you understand you're also going to use a travel on both Mac pc and Home windows, you should use the exFAT file system, which will be suitable with bóth. But third-party tools fill the gap and supply gain access to to drives formatted with Apple company's HFS+ file system on Home windows. Windows can't normally learn Mac-formatted drivés, and will offer to erase them instead.