It is important to realise that Lotus Notes cannot display MSG files by default if you want to view them from Outlook. Because MSG files employ entirely distinct data formats, Lotus Notes is unable to open them directly Converting MSG files to NSF format the native file format employed by Lotus Notes is the answer Even for those with no technical skills, this process is made easy with a tool like the MSG to NSF Converter You can convert several MSG files at once because to its automated capability which also keeps all of your email's formatting, headers and attachments intact. After conversion, just open the resulting NSF file in Notes in order to see your emails in a new, readily viewable format.