Specifications
PST to PDF Converter — Technical Specs
System requirements, supported formats and trial limit for PST to PDF Converter.
System Hardware & OS Support Matrix
Operating System Windows 11 / 10 / 8.1 / 8 / 7 (64-bit) & macOS Sequoia (15), Sonoma (14), Ventura (13) on Apple Silicon (M1–M4) & Intel
Processor / CPU See the download page for current requirements
Memory (RAM) See the download page for current requirements
Disk Installation Space See the download page for current requirements
Deep Architecture Specifications
Source PST Ingestion & B-Tree Parser
Supported Outlook PST Versions Outlook 97–2002 (32-bit ANSI) & Outlook 2003–2024 / Microsoft 365 (64-bit Unicode)
PST Archive Volume Capacity Direct block-level B-Tree traversal supporting archives up to 100 GB with zero truncation
Standalone Engine Architecture 100% Standalone in-memory parser. Zero dependency on Microsoft Outlook, Exchange Server, or MAPI DLLs
Encrypted Archive Handling Automatic in-memory decoding of Compressible Encryption and legacy High Encryption stores
Damaged Index Recovery Direct NBT and BBT sector traversal recovers message streams even with fragmented or truncated indexes
PDF Document Generation & 5 Layout Engines
PDF Specification Standard Spec-compliant Adobe PDF 1.7 / ISO 32000-1 document rendering via Apache PDFBox
5 Dedicated PDF Layout Styles Standard Card Layout, Compact Grid Header, Classic Email Archive, Minimalist Clean Text, Detailed Metadata Header
Live Virtual Sheet Preview Interactive real-time preview canvas in Step 4 reflecting layout changes, header chips, and orientation dynamically
Header Field Customization Selectively toggle Subject, From, To, Date, CC/BCC, and Message Body with 1-click presets
Legal Bates & Page Stamping Dynamic document footers: Page X of Y Bates #PST-00001 stamped across all output pages
Document Generation Modes Individual standalone PDF per email message OR single consolidated PDF per mailbox folder
Page Orientation & Naming Portrait & Landscape page orientation with 6 configurable file naming conventions (Date, Subject, From, Message-ID)
Attachment Preservation Modes
Direct PDF Container Embedding Binary payloads embedded directly inside PDF dictionaries (PDEmbeddedFilesNameTreeNode) accessible in Acrobat Reader
Folder Extraction Mode Extracts original attachments (Word, Excel, Images, ZIPs, PDFs) into dedicated companion directories
Discard Attachments Mode Omits attachment payloads for ultra-lightweight and accelerated compliance archiving
Forensic Hygiene, Performance & Privacy
Conversion Throughput Multi-threaded worker engine scaling up to 40 GB/hr across available CPU cores
Data Hygiene & 6-Tab Filtering Folder hygiene (exclude Junk/Trash), UTC Date Range, Custodian Whitelist/Blacklist, Keyword/Regex search
Cryptographic Deduplication SHA-256 / MD5 multi-point hash verification over Message-ID, Sender, SentTime, and Subject
Session Checkpointing ACID-compliant SQLite transaction ledger allows 1-click resume of interrupted jobs with zero duplicate items
Zero-Trust Workstation Isolation 100% Local processing in RAM and local disk. Zero network telemetry or cloud data transmission
Supported Source & Target Formats
Input Source Formats (0)
Input formats and direct connection sources are documented in the product guide.
Output Target Destinations (0)
Export destinations and target profiles are documented in the product guide.
Free trial limit
50 items per folder
The free trial exports up to 50 items per folder so you can verify conversion fidelity before purchasing.
Download Free Trial
Test performance on your hardware with a 50-item preview export limit.
Download Trial Installer