Which file in orbit downloader software keeps (stores) track of our download?

I downloaded orbit downloader on my win7 laptop. I had downloaded many important files through it. My uncle took the laptop with him and accidently formatted it down to factory settings.Now I am using paretologic recovery software to recover data and wanted to know which file of orbit downloader tracks downloads so that I can recover it .After recovering file I will reinstall orbit downloader and replace the installed file with recovered file to redownload all the items.
Thank you in advance.
 
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