To save MSG files to PST effortlessly, you can use the BitVare
MSG Converter for Mac & Windows, which is one of the most reliable tools for converting multiple Outlook MSG emails into a single PST file without losing formatting or attachments. The software supports batch conversion, preserves metadata, and allows you to import the resulting PST directly into any Outlook version, including Outlook 365, 2021, 2019, and 2016. Just load your MSG folder into the tool, choose PST as the output format, select the destination path, and start the conversion—making it a smooth and user-friendly way to manage and migrate MSG data across different systems.