If you're searching for the best free OLM converter tool for Windows, it's important to note that most reliable OLM converters, including
Shoviv OLM Converter, are not completely free—but they do offer a free demo version for evaluation. Shoviv OLM Converter stands out for its advanced features and user-friendly interface. It allows users to convert OLM files to PST, EML, MSG, HTML, MHTML, and more. The tool ensures data integrity, preserves folder structure, and supports bulk conversion without data loss. It also provides a preview of OLM file content before conversion and supports all Outlook and Windows versions. While it isn’t entirely free, the value it offers makes it a top choice for professional and personal use.