On Mon, 24 Sep 2018 15:03:25 +0100, Mick Finnlay wrote:

Click on the Folder Up icon next (left) to the edit field with
"Computer\" in it until you get a screen where all logical drives and
also the physical disks are listed. If you have a non-encrypted ext2/3/4
partition on your HD(s) it should be listed there. Double click to open.

Thanks. Please see the note by "Shadow" to your post elsewhere in this
thread.

I already clicked everything I could think of, where 7-zip does not seem to
even "see" any of the dual-boot Linux partitions.
http://www.bild.me/bild.php?file=51629247zip.jpg

At least 7zip didn't work for me where my dual boot setup is 100% standard.

Can a third person try it out to report back for the team?