The demo version of Softaken OLM to PST Converter will convert only 10 items from each folder. Trial Version of this software is free of cost to check software features and function. If user want to merge unlimited PST files than purchase license version of Softaken OLM to PST Converter Software.
Try the Demo Version of the software from Softaken Official site: https://www.softaken.com/olm-to-pst-converter