The document discusses exporting emails from Lotus Notes to MSG format to have a backup that can be accessed anywhere without needing a Lotus Notes environment. It provides a 4 step process for using SysTools NSF Converter to convert Lotus Notes files to MSG format: 1) browse and select the NSF files to convert, 2) provide a destination location for the converted files, 3) apply any filters or settings, and 4) click "Start Conversion" to begin the process.