Free, open-source, local-first mbox → Outlook PST converter
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Updated
Oct 7, 2026 - C#
Free, open-source, local-first mbox → Outlook PST converter
Advanced macOS email archive viewer with AI-powered search, summarization, and RAG export. Query emails in natural language with built-in LLM.
A Node.js application for scanning Gmail MBOX files containing inbox and messages. Built in 2019, it verifies message counts, extracts and counts email addresses, validates each address, and exports results to a TXT file. Uses stream-based processing to efficiently handle large archives while demonstrating data parsing and validation techniques.
Parse OLM and MBOX email archives in TypeScript. Extracts emails, contacts, and calendars, detects accounts, purchases, and subscriptions, and streams multi-GB files efficiently.
Search & read your Open Archiver email archive from Outlook (Office.js add-in) or any browser (standalone PWA). Outlook counterpart to thunderbird-openarchiver.
Privacy-first, local Docker tool for your Google Takeout mailbox: full-text and semantic search over emails and attachments, plus an optional Claude-powered assistant for cited, grounded conversations — fully offline, on your own machine. Own your email history instead of paying for more cloud storage.
Archive WhatsApp chat exports into a mailbox you own, over IMAP - each chat becomes a threaded email conversation. Android.
Cross-platform Outlook PST email archiver with full-text search and web UI
PST/OST reader tool
Privacy-first email archive analyzer that runs entirely in your browser. Import .olm and .mbox files, detect accounts and purchases, track subscriptions, and manage contacts offline. Built with React, TypeScript, and IndexedDB.
Self-hosted email archive for organizations. Archive, search and preserve Microsoft 365 and IMAP mailboxes in standard EML format.
Shrinks bloated PST files for devs who need faster Outlook backups and archiving
Archive every Gmail message to local .eml files. SQLite-backed deduplication, self-healing verification, and tombstones so mail deleted from Gmail is preserved locally.
Privacy-first CLI that extracts essential records, Sent mail, and account-change checklists from Google Takeout for iCloud Mail.
A durable, local, queryable archive of your email correspondence — zero-dependency Node extractor + Tauri (Rust) reader.
Self-hosted email archiving for MSPs and businesses: IMAP, Microsoft 365, Gmail, PEC. Encrypted (AES-256-GCM), with antivirus, antispam and Legal Hold. Italian UI.
Read-only, local-first physical inventory and technical evidence explorer for MailVault archives.
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
Bulk-export an M365 mailbox to individual .eml files via Microsoft Graph (PowerShell 7).
Your own Microsoft 365 data, kept where you can reach it: Teams, Outlook mail, calendar, contacts, OneDrive, SharePoint, Planner, To Do and OneNote — exported through Graph, searchable offline (full text and semantic), sorted into cases, and open to Claude via MCP. No admin consent, nothing leaves your machine.
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