Move selected files F7
Copy selected files F8
Delete selected files Del

These options are self-explanatory, apart from the last, regarding which please see the help file.

Start slideshow with selected thumbs
Save selected thumbs as current slideshow
Append selected thumbs to current slideshow

Start batch dialog with selected thumbs
Transfer selected files by FTP
JPG Lossless Operations

Create contact sheet from selected thumbs

Sample Contact Sheet

Save selected thumbs as an image
Save selected thumbs as single images
Save selected thumbs as HTML file

Sample Image
Save thumbnails as files
Sample HTML page

Print selected files as single images

Print original images of the selected thumbnails

Send selected files by EMail

Send original files by Email

Open with external editor

Open original files with external editor. You can choose your preferred photo-editing program from the Irfan View Properties dialogue.