There are many reasons why a computer user may lose the important data he stored in the computer's memory.  They may be classified into two, the technological and the physical reasons.  Under the first one, data lost may be due to computer viruses, file system damage, system malfunction, application damage, program errors, software installation, etc.  As for the physical reasons, there is the human error and human carelessness, dust, accidental fall, heat, water and natural disaster to name some.

Should you come across any of the abovementioned reasons and lose your vital files, you can recover hard drive contents with the use of an advanced harddisk data recovery software.  This is technology that was not available before.  Today however, you can recover hard drive contents that you lost in as easy as 1, 2, 3.

In finding the data recovery program you will need, you should first determine what operating system (OS) you are using.  You may be using Mac, Windows, Linux, etc.  You need to find the software you will use to retrieve your files that is applicable to your OS, e.g., a windows file recovery program for Windows OS.

To make sure that you get the best results from the hd recovery software that you will choose, it would be best to make sure that the provider of the software will be able to answer such usual questions that come up in regards to problems and the appropriate solutions on the subject.

Before you make your selection, be sure that you get satisfying answers to queries such as the following:

• How can you find the best software to do the job?
• Is the data recovery to be performed be the program that of a complete recovery?
• Is it really possible to retrieve all lost files?
• How does the recovery process work?
• What happens if the data to be recovered has not been retrieved by the software?
• Are lost data resulting from serious events such as a natural disaster really recoverable?
• Can a layman make use of the software or someone with technical knowledge should be using it?
• Does the software provider also provides warranty or money back guarantee if the software fails to recover lost files?

These are just few of the most important details you need to know first before you make any final negotiations or payments to the software service provider.  To make sure that your choice is indeed the one you need, you can do the following:

• Ask your service provider for their demo software and view the files you need to recover from it.
• Check the reviews made by past users about the company and their software online.
• Study the manual and user guide that comes with the software and determine if it is easy to follow.
• Check the past clients the software provider has if they indeed have some.
• Check for guarantees and warranties from their website in case the software fails to recover your lost data.
• Preview the user-interface of the software through the demo version.
• Make sure that the price they offer is the best in the market for the value their service can provide you.
• If you are trying to retrieve highly confidential files, make sure that you are dealing with a service provider that will give you 100% data confidentiality.  You would not one someone blackmailing you from information they may get from your hard drive.

After going through all these and you come out satisfied with the results, then you already found the best data recovery software you can use.