XnView Software

I have recovered the folder through the Windows 10 Recycle Bin. But I think there should be an 'undo' button in XNView

Confirm file delete and use Recycle bin are ticked, but when I click Recycle Bin there is nothing there.

A couple of times I have accidentally deleted a folder of images when I only wanted to delete a single image. I'm not sure how this happened, but as far as I can see there is no 'Undo' icon to retrieve the images. Surely there should be?

I have had no reply to my post about 'untagging' files. The easiest way to select files for moving between folders is to tag them and then click 'select tagged files', and then move or copy them. But before I do this I have to un-tag all files that were previously tagged. Could you add an 'untag all...

I can't find the menu item 'convert to binary' in XN View MP. How do I convert an image to B&W?
Thanks

When I crop a landscape image to portrait, the image is saved sideways (landscape). I then rotate the image through 90degrees and save it - but the next time I look at it it has reverted to landscape. Can I do anything about this?

I move tagged images between folders frequently. Every time I want to tag new files for moving or copying, I have to 'untag' all images previously tagged in a folder. This is difficult and time consuming. There is a 'deselect all' button, but could there also be an 'untag all' button? This would be ...

A retouch tool, as you get in iPhoto and other programmes, would be very useful for removing blemishes and spots in the image - I am surprised that there isn't one, in what is otherwise excellent software.