Kay
this is actually a tar-file. Please mv Xds_2qvo_dataset1.tar.bz2.png Xds_2qvo_dataset1.tar.bz2 and then bunzip2 Xds_2qvo_dataset1.tar.bz2 and tar xf Xds_2qvo_dataset1.tar to obtain all files in the current (!) directory.
15:50
+221