When it comes to storing old NSF mailboxes for the long term, converting them to PST format is a reliable choice because PST files are widely supported by Outlook and simple to maintain across multiple systems. Unlike NSF files which often require Lotus Notes to open PST files provide more freedom and ensure that your data is useful even years later. A product like TrustVare NSF to PST Converter simplifies the process by assuring that all emails, attachments, contacts and calendars are transferred without loss. It has a straightforward interface so even non technical users can easily complete the conversion making PST an excellent choice for long term storage.