All the data present in your PC is written in form of raw bytes, it keeps on residing on the disk as long as it keeps its formation. Whenever a software formats this data present on the Hard Disk, the data present on it becomes unreadable and windows or other operating systems cannot read it properly.
Now, what can we do to make this data accessible once again?
There are multiple software available that recovers this data for you even if it is deleted or formatted. When you delete a file on a system, it is not deleted in the true sense, just its lock is removed. So these software’s finds out these files on the hard Disk and tries to recover it.
One of the pc software to recover your data is GDB Ntfs. This software recovers your data if you are on an NTFS file system. There are other soft wares available as well. They enlist all the deleted files and you can choose to recover on the press of a button. For FAT32 or other file systems, there are tons of other software available. It takes around 2 hrs. to recover your files and there’s no guarantee that you can recover it completely.