Consider using the eSoftTools NSF to PST Converter. This is one of the best conversion software because it offers the most features. NSF to PST, Zimbra, MBox, Office 365, MSG, and other file formats are supported. It includes the ability to export emails with attachments such as photos, calendars, contacts, and so on. You can divide your PST files into multiple smaller sizes. It also has an email filter option, which is primarily used to filter your emails based on dates. It offers technical support 24 hours a day, seven days a week. This software required 50MB of hard disk space. It also has a free Demo version that you can download and use.
