# Open Archiver

Open Archiver is a self-hosted backup app. A secure, sovereign, and open-source platform for email archiving and eDiscovery. It is open source and self-hosted, installable on TrueNAS, Docker Hub, Proxmox and Unraid.

Canonical page: https://ourlocalhost.com/app/990/open-archiver

## Description

A secure, sovereign, and open-source platform for email archiving and eDiscovery. Open Archiver provides a robust, self-hosted solution for archiving, storing, indexing, and searching emails from major platforms, including Google Workspace (Gmail), Microsoft 365, PST files, as well as generic IMAP-enabled email inboxes. Use Open Archiver to keep a permanent, tamper-proof record of your communication history, free from vendor lock-in.

## Platform availability

Available on 3 of 9 platforms: Unraid, TrueNAS, Proxmox.

## Health score

69/100 (Good), based on 5 of 5 factors.
- Maintained: 81 (last commit 36 days ago)
- Popular: 68 (2,402 GitHub stars)
- Easy to install: 55 (3 install platforms, install notes, Docker image)
- Light to run: 40 (4 GB minimum RAM, runs on ARM)
- Security check: 84 (no serious findings, 1 minor, CI)

## Links

- TrueNAS: https://apps.truenas.com/catalog/openarchiver
- Docker Hub: https://hub.docker.com/r/logiclabshq/open-archiver
- Official website: https://demo.openarchiver.com
- Proxmox: https://community-scripts.github.io/ProxmoxVE/scripts?id=open-archiver
- Unraid: https://ca.unraid.net/apps/open-archiver-0jdfzb70q69ybj?q=Open-Archiver

## Common questions

### Does Open Archiver support role-based access?

Open Archiver v0.3 added role-based support.

### What installation problem has been reported for Open Archiver on TrueNAS?

A TrueNAS forum thread reports that the Open Archiver app can fail to install and needs troubleshooting.

### Can Open Archiver search text inside attachments?

Yes, Open Archiver indexes email and supports full-text search of attachments.

### Where does Open Archiver keep archived mail on the server?

Open Archiver stores mailboxes as .eml files on your server.

### Has Open Archiver had issues with losing archived messages?

Open Archiver had message-loss bugs, and four of them were fixed in one update.

## Alternatives

- MailStore: MailStore Home - A 100% free single-private-user desktop solution MailStore Home enables you to backup all your email messages from multipl…
- mail-archiver: Mail Archiver is a self-hosted web application for archiving, searching, and exporting email and its attachments, storing everything in a P…

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Source: Our Local Host (https://ourlocalhost.com/app/990/open-archiver), the self-hosted and open-source app directory.