Sep-02-2018, 07:05 AM
(This post was last modified: Sep-02-2018, 07:05 AM by Gribouillis.)
You could save the file and hand it to file type detection tools. There are online services for this such as checkfiletype.com (which I haven't tried).
In linux, the 'file' command may find something.
In linux, the 'file' command may find something.