BitLocker Data Recovery

Question

i am using WIndows 8. I turn ON BitLocker in my Laptop. my brother mistakenly tried to format it and i stopped it. when i tried to open it. it shows to format it. i formatted it and tried to recover it using ICare recovery Tool. i recovered as RAW file in the format of .SWF. i could not able to view it. it contains photos and important document. kindly help me in this matter  
Thanks