SysTools Outlook OST to PDF Converter for Windows

Name: SysTools Outlook OST to PDF Converter
Author: SysTools

By SysTools
Trial version
User Rating

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Editors’ Review

Download.com staffFebruary 24, 2026

This Windows utility converts Microsoft Outlook OST files into searchable PDF documents. It batch processes emails, embeds attachments, and handles corrupt or orphaned OST files while maintaining data integrity.

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Trial version

Pros
- Processes corrupt and orphaned OST files
- Embeds email attachments directly into output PDF files
- Creates searchable Portable Document Format files
- Allows selective conversion of specific email folders
- Operates as a standalone application without dependencies
Cons
- Converts only email messages from the OST file
- Output format is strictly limited to searchable PDF
- Free trial version only allows previewing scanned items
- Compatibility is limited to Windows XP through Windows 8