Femtoscan and Nanoscope file formats have text headings, which can be viewed using menu command View/ Parameters.... In this case the window will be opened, in which the parameters of scanning/measurements will be shown -- these parameters were written in the Parameters Window (section 2.2.2). Information about the date of file origin, user name and user's comment will also appear in the Window.
It is possible to change the comments written in the file using menu command View/ Comment.... You can write the necessary information in the text field of the opened window.