recover data

I am trying to install ubuntu along with windows. but my hard drive get format. I have lost my all important files. Is there any way to recover files ?

My partner and I had these Recovery leads aggregated from his crm and needs individuals/call centers with wherewithal, capacity & capabilities to test these leads and give reports. Anyone interested can PM me with you contact info. We will be selecting qualified ones.

I'm not really sure how to exactly ask this and this is really out of desperation as a last ditch hope. So I was in a hour long instant live type text chat built into a website with a colleague and before we closed out chat I intended to copy and paste the chat log for notes I would need. But...

So, In short I lost my mobile and I uploaded the back up to my google drive of my WhatsApp last time in January, and now i just found my mobile and when i install the WhatsApp again after formating my phone (as it wasn't unlocking I forgot the pswrd of my mobile, so i formated my mobile) its not...