Try SysInspire NSF to PST converter tool, it has many features and by the help of this tool you can easily Open an NSF file in thunderbird, this is one of the best conversion tool that can help you to convert any type of conversion in by one click, it has a split option that can help you to split PST file in multiple small sizes. It has a feature of export emails with attachments such as photos, calendar etc. it has a feature of email filtration option you can filter your mail by using dates, it has a demo version that can help you to convert 25 files from each folders, it has technical support 24x7 you can get help by mail or live chat.

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