XnView Software

Is there a way to limit a view to those files which have not be categorized? I am trying rebuild a large (>10,000) store of images, many of which have not had categories assigned. I would like, as I work, to display only those images for which no categories have been assigned, to simplify my work ...

I am having difficulty figuring out the path forward to move from Lightroom to XnView MP. The one post I found somewhat helpful was one where some noted that tag didn't seem to come over. He apparently exported a large number of jpg's from Lightroom and then imported them in XnView.

I have well ...