On Tuesday 26 November 2019 03:51:51 pm Baron wrote:
> Hi Guys,
>
> On Tuesday 26 November 2019 16:42:05 Steven D'Aprano wrote:
> > On Tue, Nov 26, 2019 at 02:46:58PM +0000, Baron wrote:
> > > I did download the latest RAR and UNRAR  Version 5.8 beta4 and
> > > tried with that.  The best that I get is that it is not a RAR
> > > file and there are no extractable files.
> >
> > My guess is that the file isn't a RAR file at all, but some doofus
> > has named it ".rar" because all compressed archives are RAR files,
> > right?
> >
> > It might work on your friend's computer if his decompression
> > utility is smart enough to use the correct decompressor based on
> > the file contents, not the extension.
> >
> > Try deleting the ".rar" extension and then run the "file"
> > command-line utility on it and see what it says. It should inspect
> > the file contents and make an educated guess of the actual file
> > type, without being confused by the (possibly inaccurate)
> > extension.
>
> Thanks Steven,  your help is appreciated.
>
> The output from "file" is,
>
> "RAR archive data, v0, flags: Locked, Authenticated,"

At this point I'd just punt as they say.  Ask your friend to extract the 
file(s) into a folder and re-compress them using some other method than RAR.  
It is concievable if this RAR file was emailed to you that you do not have an 
exact copy of it.