For backing up your Odoo 16CE database locally, particularly with a sizable database of 70GB, you need a robust and reliable solution. One highly recommended option is **Acronis Cyber Backup**, which provides comprehensive backup features, including full and incremental backups, local and cloud storage options, and advanced data protection and recovery capabilities. Another excellent choice is **Veeam Backup & Replication**, known for its powerful backup solutions tailored for databases and virtual environments, offering automated backup schedules and high reliability. If you're looking for an open-source solution, **Duplicati** can be a good fit, as it supports encrypted and scheduled backups, and is compatible with various storage providers. Additionally, **Backup Ninja** offers automated database backups with support for Odoo, providing features like encrypted backups and easy integration with different storage solutions. For a seamless and efficient backup experience, **Acronis Cyber Backup** or **Veeam Backup & Replication** are highly recommended due to their extensive features and robust support for large databases, ensuring your backups are managed effectively and securely.