Do you want to Resize Mac Partitions without losing any data ? The Mac hard drive can be parted in to different volumes so that the user can store different types of data separately. You should use the disk utility to create the partition and you will have to specify the size of the drive at the time of creation. But if you feel that the space is not adequate then you must be thinking to resize it. This again can be done with the disk utility however you must check that other drives have equally empty space as it can get conflicted and you will lose data from your Mac drive. This is the first rule to Resize Mac Partitions without losing any data. However if the partitioning process is suddenly interrupted or stopped then also your data can get lost and also the drive may get corrupted. So you should fix the drive and then recover the data from the time machine backup. In case the backup is not working then you can use the Mac data recovery software to restore all your file that was inaccessible or lost. So get the software now and your Resize Mac Partitions without losing any data.