EML Converter Tool (2026 Enterprise Edition) — Technical Specs

System requirements, supported formats and trial limit for EML Converter Tool (2026 Enterprise Edition).

System Hardware & OS Support Matrix

Operating System Windows 11 / 10 / 8.1 / 7 (32-bit & 64-bit), Windows Server 2016-2022

Processor / CPU Intel Core i3 2.0 GHz or AMD equivalent

Memory (RAM) 4 GB minimum (8 GB recommended for 500,000+ files)

Disk Installation Space 250 MB free disk space for installation

Supported Source Formats RFC 822 / RFC 2822 .eml, Apple Mail .emlx, Windows Live Mail, Outlook Express, Thunderbird EML exports

Directory Traversal Recursive parent-child folder scanner with automatic directory hierarchy reconstruction

Apple Mail .emlx Support Natively unpacks .emlx files, strips XML plist metadata, and reconstitutes .emlxpart attachments

Batch Ingestion Limit Swallows 500,000+ files per batch using non-blocking memory-pooled streaming buffers

Header & Encoding Decoder Decodes RFC 2047 folded headers across UTF-8, Shift-JIS, GB2312, EUC-KR, ISO-8859-1, Windows-1252

Local Target Formats (13) PST (Unicode), PDF (Bates Stamped), MBOX (RFC 4155), EML, MSG, HTML, MHTML, RTF, DOC, TXT, JSON, CSV, EMLX

Direct Cloud Targets (4) Microsoft 365 / Office 365, Google Workspace, Gmail, Universal IMAP (cPanel, Zimbra, Dovecot, Yahoo)

PST Auto-Splitting Custom split boundaries at 2GB, 5GB, 10GB, 20GB, or 45GB to prevent large-file Outlook corruptions

PDF eDiscovery & Bates ISO 19005-1 PDF/A compliance with customizable alphanumeric Bates numbering and embedded attachments

Cloud Authentication Modern OAuth 2.0 PKCE, Microsoft Graph API, and Google Cloud Service Account P12/JSON delegation

Thread Concurrency Adaptive producer-consumer queue scaling across all available physical and logical CPU cores

Interrupted Job Resumability SQLite ACID checkpoint database records every processed Message-ID for instant zero-duplicate resume

Automation & CLI Mode Silent command line execution (`--config config.json`) for server pipelines and scheduled tasks

Data Privacy Boundary Processing runs on your computer. Data goes only to the mail provider or cloud destination you choose.

EML EMLX

PST PDF HTML MHTML TXT RTF DOC JSON CSV MBOX EML MSG EMLX OFFICE 365 GMAIL IMAP YAHOO

50 items per folder

The free trial exports up to 50 items per folder so you can verify conversion fidelity before purchasing.

Test performance on your hardware with a 50-item preview export limit.