If you want to export data from Lotus Notes database, then I suggest you to get SysInspire NSF to PST converter tool. This tool can fix all errors of Lotus Notes and it has a demo version that can allow users to convert NSF into multiple file format such as NSF to PST, EML, EMLX, Office 365, HTML , Zimbra tgz. It has a demo version that can allow users to convert 25 items from each folder. It has technical support and all users can get help by mail or live chat. It has a preview option for users to preview NSF files before conversion.

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