Convert CRDOWNLOAD to PPT

CRDOWNLOAD format is used for partially downloaded file initiated through Google Chrome. Typically these files are automatically deleted, but sometimes their remain in the default download location. Unfortunately, there doesn't seem to exist a way how you can somehow recover data from .crdownload file and get at least partial .ppt file from it. You have to download the whole file again.

Simply put, it is impossible to convert CRDOWNLOAD to PPT directly.
Thus, there is no so-called crdownload to ppt converter or a free online .crdownload to .ppt converter to be found.