But it has to be noted that only a free demo trial is there in the online ,but still it quite satisfies the needs of recovery or will give you a better idea of the recovery process, so that you can buy if you would like to. FAT Recovery program- Restorer One more efficient program to recover the hard drive of FAT file system is Restorer 2000 which can get back your missing data as well as cleanse your drive if it is corrupted or any error has occurred to it because of formatting. Thus a number of software is available in the market which will help to retrieve the files needed. The claim is that with the best software available in the market you can recover any file from the hard drive which may even be corrupted, encrypted or compressed. The best software can even do more like recovering the accidentally removed emails from hard drives within the given network and even they can generate the images of the files from which you can choose whatever you want to retrieve. Apart from it, the data amount that has to be retrieved along with the steps needed and price of the service will be given .Thus these firms deliver some quotations to do the hard drive recovery. Just after the evaluation along with estimation done, the next step is approval to continue with the actual data recovery of external drive. In case of normal hard drive failure, standard service is provided to recover the hard drive. Hard drive failure is a process where hard drive is affected by a virus, or by any human who unknowingly did something to it, or any software issue related to the hard drive etc. According to the technicians, the standard recovery service is very easy to do and impaired hard drive is easy to repair. There are three major types of hard drive data recovery services like Standard hard drive Most of the standard hard drive data recovery process generally ends with 2to 5 days. It is quite natural that before the actual hard drive data recovery process, the technical people will work out an evaluation procedures which is supposed to identify the problem and to decide if the lost data can be retrieved or not. Only problem is the data is not accessible for the time being, which may be called as mechanical error and along with the hard drive recovery process, you can retrieve the files that are lost. Another important part to note is that though the circuitry board develops errors which attacks the operations of the hard disk, recovery of hard drive is still possible .