When NSF to PST conversion fails halfway through it can happen due to file size limitations, corruption or incorrect methods. The easiest method to restore your data is to use an effective technique that can manage these problems without losing data. GainTools NSF to PST Converter is designed to convert NSF files into PST without error, even if they are large files. It protects your emails, contacts, attachments and folder structure while performing the task swiftly. With its simple processes and error free results you can continue the conversion to Outlook without fear of incomplete conversions or missing data.