Partitioning is used in Mac system to keep all the data separately and securely on Mac hard drive. However sometimes it happens that due to some irritating unpredictable reasons partition goes missing unexpectedly and users needs to restore lost partition on Mac Lion. There are various reasons which can cause inaccessibility of partition Mac OS X Lion such as virus attack, accidental deletion, unintentional formatting, file system corruption. Loss of partition directly means inaccessibility of all thew files stored in that particular drive. In such situation users badly needs to restore lost partition on Mac Lion. If you are also facing the same problem and looking for any effective solution then don't worry you are the right place, here you will get all the relevant information for the same. In such situation it is very important that do no format your repartition the system otherwise you any get unable to restore lost partition on Mac Lion. The easiest way to restore lost or inaccessible partition on Mac system is to use a third party Mac Data Recovery Software. It is easy, fast, effective and reliable tool rescue any deleted, missing or inaccessible Mac partition. Therefore it is sensible to use Mac Data Recovery Software in order to restore lost partition on Mac Lion.