If you want to convert Lotus Notes NSF to apple mail EMLX MBox, so i recommend you to download SysInspire NSF to PST converter software. It has many features such as it has a bulk conversion feature you can convert NSF files in bulk at same time. It can change the saving location. It has email filter option you can filter mails by using specified dates. Its supports all versions of Windows versions even it can supports all versions of Lotus Notes. This tool need 50 mb space in hard disk. This tool never change the structure of files. It has demo version that can allow to convert 25 files from each folders.