Full protection for your digital life
Safeguard your Windows PCs, Mac devices, and Microsoft OneDrive data with C2 Backup's comprehensive data protection tools.
Back up your entire device
Keep all your data safe by protecting your device completely.
System and software
Protect the tools you use every day by backing up system configurations, user settings, and applications.
Files and folders
Secure multiple versions of documents, photos, videos, and audio files, to restore your work if things go wrong.
Back up external drives automatically when you plug them in to your PC.
The essential companion for Microsoft OneDrive
Protect Word, Excel, PowerPoint, and other files stored on Microsoft OneDrive against accidental deletion or ransomware attacks.1
Restore what you need
Continue where you left off with flexible recovery options.
Your entire PC
Bring your PC back to life by performing bare-metal recovery to your main computer or a new one.2
A single file or folder
Browse backups using a familiar tree structure to locate and recover only the files or folders you need, and retain the permissions in place at the time of backup when restoring OneDrive files and folders.
Manage backups easily
Decide when you want to back up your data and how many backup versions to keep according to your needs.
Daily backup protection
Backups run automatically on a daily basis. When backing up physical devices, schedule backups to run at set times or when triggers occur such as when your PC starts up, the screen locks, or when you log out.
Flexible retention policies
Take advantage of file versioning and customizable retention policies to help you retain the backups you need while maximizing your available storage.
Set up and receive custom notifications for the tasks you choose. Get updates on storage usage, backup status, and cloud application restore status. Stay on top of your tasks wherever you go.
Your backups are safe with us
Guard your backups against unauthorized access and data loss.
Private key protection
Lock backups away with a private key, ensuring that only you have access to your files.
Your data is protected through AES-256 encryption before it is uploaded to C2 servers.
High data resiliency
Your data is protected on servers with 99.999999999% data durability. Learn more
See how these organizations achieved more with Synology.
"Before using C2 Password, I often had to reset my students' passwords. Besides being time consuming, it prevented us from focusing on our work. C2 Password fixed all this, helping our students understand the importance of privacy and credential safekeeping along the way."
Samir Buric, Professor and Lecturer, Electrical and Wood Processing High School of Bihac, Bosnia and Herzegovina
“Synology C2 provided the best backup solution for our situation (Microsoft 365 Exchange Email for over 1,500 users). Compared to other systems that are complex and expensive, C2 occupies a sweet spot, providing great technology at a great price point.”
Andrew, Executive Director of Information Systems/CIO, East Aurora School District
Check our security white paper, product tutorials, FAQs, and blog posts about data protection.
Security white paper
We build secure and robust cloud services. See our white paper for more information on our infrastructure, key security measures, and how we protect your data.
Tutorials & FAQ
Check these how-tos and frequently asked questions to help you get started faster with C2 services.
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Microsoft OneNote is not supported at the moment.
Bare-metal recovery is currently available for Windows devices only. Support for Mac devices will be added later.