The HFS formatted external hdd is unreadable/unrecognized or does not appear in file explorer on windows.This article will help you fixing following problems. Don’t worry you will not need to learn commands or do complex task to enable full read and write access to Apple ‘s HFS+ formatted drive on windows, I will explain to you about some simple paid and free software tool that will help you enable full read and write access to Apple ‘s HFS+ formatted drive on windows. Do not format it, just click cancel otherwise you will loose all your precious data.Windows by default can not read or write to, the Apple ‘s HFS+ formatted partition, because Microsoft has not included any driver for HFS format in windows. If you have a USB flash drive or an external hard drive pre-formatted in Mac HFS, HFS+ or HFSX format and or you have always used it on a Mac OS X system and one day you connect it to a Windows PC, Windows will be unable to recognize it and offer you to format it before it can be used.