Get more effective highly advance software, you can use ToolsGround OLM to PST Converter. It can easy to convert all email items including email, attachment, contact, calendar etc. This software supports MS Outlook 2016/2013 (both 32 bit and 64 bit)/2010/2007/2003/2002/2000/98 and 97.
More Info:- https://www.toolsground.com/olm-to-pst-converter/