MacSonik OST to PST Converter tool is a top-notch utility to convert OST files to PST. The software can export /backup emails without attachments, which also enables users to download the OST file attachments in a separate folder. It gives you a Date Range Filter Option that helps you convert the OST emails to PST received within the defined dates. Moreover, it can convert OST files into multiple file formats like EML, PDF, MSG, DOC, MBOX, CSV, TXT, etc.