Yes, MailsDaddy Free PST Viewer supports large Outlook archive PST files without performance issues. It allows users to smoothly access emails, attachments, and mailbox folders while maintaining the original hierarchy. The tool is designed to provide secure and hassle-free PST viewing on Windows systems. It is a practical choice for IT professionals and regular users alike.
For large Outlook archive files, a PST Viewer should ideally handle oversized PSTs while allowing users to preview emails, attachments, and folder structures without requiring Outlook. MacSonik PST Viewer is designed for this use case. It supports large PST files, including oversized and password-protected files, and can open PST data without Microsoft Outlook installed. It also preserves the original folder hierarchy while previewing mailbox content.
The tool lets users inspect emails, attachments, contacts, calendars, headers, and other mailbox items before exporting. Advanced search filters can help locate specific messages by sender, recipient, subject, date range, or attachment status, which is useful when working with large archives.
For particularly large PST archives, MacSonik also provides options to split PST files during export. PST files larger than 45 GB can be divided into smaller PST segments, making the archive easier to manage. The software supports exporting selected data to formats such as PDF, EML, MSG, MBOX, CSV, PST, and Microsoft 365.