A convenient option is to use software that can read OLM files directly. Aryson OLM Converter Tool provides a preview of mailbox data, including emails, contacts, calendars, tasks, and attachments. Users can load their OLM files, inspect the available items, and select the required data for conversion without installing Outlook.
If you want to open OLM file on mac, the software also supports multiple export formats, date-range filtering, duplicate email removal, and folder selection. These options help users access and organize mailbox data according to their requirements.