While Odoo Sign intentionally excludes native field masking to maintain ESIGN Act compliance and audit transparency, yes—it is entirely possible to mask fields by building a custom extension. This guide explores why Odoo avoids native masking and provides a roadmap for building a legally defensible solution that hides sensitive data (like SSNs or PINs) on-screen while preserving your court-ready audit trail.

You do not need to delete attachments to reclaim space. The core principle is to preserve metadata and relocate binaries. By keeping the ir.attachment records intact in Odoo and transparently moving the actual binary files to an external system like Microsoft SharePoint, you can reduce storage costs while maintaining every record link and historical document.

Yes, self-hosting Odoo Community Edition can dramatically reduce your monthly infrastructure costs compared to managed platforms like Odoo.sh. However, these financial savings come with a significant tradeoff: you take on full responsibility for server security, ongoing maintenance, manual backups, and ensuring your system's uptime.