PSTmortem is a Python CLI that exports Microsoft Outlook OST/PST files to Thunderbird mbox or Dovecot Maildir. Designed for very large archives (tested 30 GB+) with low, constant memory. Features folder & date filtering, attachment size limits, resumable Maildir exports, and graceful Ctrl-C.
Local search engine for Outlook PST files. SQLite FTS5 + pst-extractor (Node). Reads PSTs libpff cannot.
Parse Outlook/Purview .pst archives into deterministic, deduplicated structured JSON at enterprise scale - two-pass pipeline with checkpoint/resume, safe attachment extraction, optional Mistral OCR, and strict no-leak logging
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