The MacSonik OLM Viewer Pro can open and bulk convert multiple OLM files in one go with ease. Export data to PST, MBOX, PDF, EML, and CSV formats while preserving attachments and metadata, ensuring smooth migration to Outlook, Thunderbird, and Apple Mail without data loss. Read: https://www.macsonik.com/blog/view-olm-file-on-mac-without-outlook/