Yesterday, I made a major mistake and used the Paragon's Partition Manager to attempt to resize the partition which contained about 100 GB files and documents. It increased the size of the partition exactly as instructed, but it appears to have erased the contents and left the partition marked as free space. Then I used the O&O's UnErase and before that I never try it. so the problem is coming. just after that I knew the O&O's UnErase is just for accidentially delete a file or a document, not erase an entire partition.
Now, i'm just wondering maybe there is a recovery program which wouldn't require the partition to be formatted to work.

Anyone can help me in this? Thanks for your time and waiting for your help.

Hi guys,

Diskgetor Formatted partition recovery software is the professional Formatted partition recovery tool&ultility. This program can give you a best solution to sovle your problem about data lost after format hard drive. It is easy to use and powerful.

Hope this information might helps.

Acronis is a good disk manager..I've never had a problem with it