Maintenance • Backups
Data Export & Backups
Export synced mail to standard, portable, open formats with no vendor lock-in — this is one of the genuinely working pieces of the engine you can build from source today. Available now
1. `nuncio mail export`
Restrict an export to one account or one folder (the two flags are mutually exclusive); omit both to export everything synced.
# Export one account's synced mail to MBOX nuncio mail export --format mbox --out ~/backups/inbox.mbox --account <account-id> # Export one folder to a zip of raw .eml files plus manifest.json nuncio mail export --format eml --out ~/backups/archive.zip --folder <folder-id> # Export everything synced to JSON Lines nuncio mail export --format jsonl --out ~/backups/all-mail.jsonl
2. Supported Formats
MBOX (`--format mbox`)
Standard mailbox format readable by Thunderbird, Apple Mail, and most mail tooling.
EML zip (`--format eml`)
A zip archive of individual `.eml` MIME files plus a `manifest.json` index.
JSON / JSON Lines (`--format json` / `jsonl`)
Structured payloads suited to scripting, analytics, or feeding other tools.