I know about the best tool that can complete conversion tasks effortlessly without giving extra effort to the OST to PST conversion process with MacSonik OST to PST Converter. It is a user-friendly software that can be a helpful tool to non-technical users for the safe process without misplacing a single data of OST files. It can convert OST files to multiple file formats like EML, PDF, MSG, DOC, MBOX, CSV, TXT, etc. This tool can filter all particular OST files from locally saved data of folders. The tool is beneficial for those who are seeking a shortcut to convert OST files into PST format. Download their free demo version.