The File system of Apple Mac OS is HFS & HFS+ installed on Mac Hard drives, IPod, eMac, iMac, iBook, iPod, Pen Drive, USB Drives etc. when the partition table, Master File Table, Boot Record, or Root Directory is lost or corrupt files will be lost or deleted.
Depending on the usage of the device in the meantime i.e. before recovery, the data of the deleted file may or may not be available on the device. Windows just marks the space as free for use so that the file will not be displayed in My Computer or Recycle bin after deletion from the drive, what is actually lost is the pointer that points the file.
Sometimes the loss of data may be due to the formatting / reformatting / re- partitioning, which is an irreversible situation; the lost data may be present on the device and is still possible to get back the deleted files.
Recovery of Deleted Files
There are many tools and utilities to recover files from USB Drive are available on the internet. But in any case usage of that particular device is strictly prohibited to prevent data loss, so do not use the internet on the same device, on which recovery of deleted files is to be done.
To recover the deleted files flawlessly you can use recovery software /solutions, which is a reliable way of getting back the deleted files as they were before getting deleted. Mac file recovery software will restore deleted or lost files with ease. It will also offer a lot of other dominant features along with data recovery. Some of the recommended file recovery software provides a preview option in which we can see the files that are being recovered. You are provided with options where recovered files can be saved in a safe location or you can burn recovered files directly to CD / DVD.