If you are searching for the best converter to export data from OST file to Lotus Notes, you should try the best third-party solution: eSoftTools tool. It supports all versions of MS Outlook like 2003, 2007, 2010, 2013, 2016, 2019. This tool is easy to use by each user. It can convert all email files like inbox, appointments, draft, sent items, appointment, contact. And many more items. Users can download a free demo file to convert 25 NSF files.