Backup software should run invisibly in the background, protecting your data until disaster strikes. Then it should restore everything quickly and completely. Most backup services fail at least one of these requirements, typically the restore part.

We tested six backup solutions for four months, simulating various disaster scenarios, to see which services actually protect data and make recovery straightforward.

Backblaze: Simple Unlimited Backup

Backblaze offers unlimited cloud backup for $99/year per computer. The simplicity is appealing: install software, let it run, everything backs up continuously.

The client software runs in the background, backing up all local files automatically. You don’t choose what to back up—everything goes. This prevents forgetting critical folders.

Backup speed depends on internet connection and data volume. Initial backup of terabytes takes days or weeks. Ongoing backups of daily changes are quick.

File versioning keeps previous versions for 30 days on standard plan. Extended version history ($2/month extra) saves versions forever.

Recovery works three ways: download files through web interface, request USB hard drive ($99, refunded when you return it), or emergency restore ($189 for one-time faster restore).

The web restore interface is straightforward. Browse backed-up files, select what you need, download. For individual files or small sets, this works well. For complete system restores, it’s slower.

Backblaze doesn’t back up network drives or external drives unless they’re always connected. This limitation matters for some setups.

For individuals wanting simple, affordable, unlimited backup, Backblaze delivers excellent value. For businesses needing backup for network storage or servers, other solutions work better.

Carbonite: Consumer-Friendly but Expensive

Carbonite targets consumers with automatic cloud backup similar to Backblaze. The key difference is pricing structure.

Basic plan at $83/year backs up one computer with automatic file backup. Plus at $119/year adds external drive backup. Prime at $149/year adds courier recovery and priority support.

Features are comparable to Backblaze: automatic continuous backup, file versioning, web restore, and courier delivery options.

The interface is user-friendly with clear status indicators and simple file recovery. Non-technical users find Carbonite approachable.

Performance is acceptable but not exceptional. Backup and restore speeds are similar to Backblaze—adequate but not fast.

Carbonite costs more than Backblaze while offering similar features. The value proposition is weaker unless you value the slightly simpler interface.

Acronis Cyber Protect: Comprehensive but Complex

Acronis Cyber Protect Home Office combines backup with antivirus, VPN, and other security features. The comprehensive approach appeals to some users.

Backup options include full system images, specific files/folders, and cloud storage. You can back up to local drives, network storage, or Acronis cloud.

System image backups enable complete restoration of Windows/Mac to exact previous state, including OS, applications, and settings. This speeds recovery from system failures.

Local backup to external drives is fast. Cloud backup to Acronis storage is slower but provides offsite protection.

The interface is complex with many options. Setting up custom backup plans requires understanding backup concepts. For beginners, the complexity is overwhelming.

Pricing starts at $50/year for Essentials (500GB cloud backup), $100/year for Advanced (1TB), or $125/year for Premium (5TB plus all security features).

For users wanting backup combined with security tools, Acronis bundles everything. For users wanting simple backup, the complexity and additional features are unnecessary.

iDrive: Affordable Cloud Backup

iDrive provides cloud backup for multiple devices at competitive prices. Personal plan at $80/year includes 5TB storage for unlimited devices.

Backup from computers, phones, tablets, and even servers to one account. For families or individuals with many devices, this provides excellent value.

Backup scheduling is flexible with continuous, scheduled, or manual options. Choose specific folders or back up everything.

File versioning keeps previous versions indefinitely. Deleted files remain in trash for 30 days before permanent deletion.

Desktop and mobile apps work reliably. The interface is dated but functional. Everything works; it just doesn’t look modern.

Restore options include downloading files, using iDrive Express (physical drive shipped for free once per year), or restoring to different devices.

Speed is acceptable for initial uploads. Some users report slower speeds compared to Backblaze, though this varies by location.

For users with multiple devices needing backup, iDrive’s multi-device support and storage capacity provide strong value. The dated interface is a minor inconvenience.

Sync.com: Privacy-Focused Alternative

Sync.com combines cloud storage with backup functionality. The differentiator is zero-knowledge encryption—Sync.com cannot access your files.

Privacy protection is genuine. Files encrypt on your device before uploading. Sync.com cannot decrypt, access, or surrender your data to anyone. Lost passwords mean lost data.

File sync works like Dropbox. Files in Sync folder synchronize across devices automatically. This isn’t traditional backup but provides redundancy.

Version history keeps previous versions for 365 days on paid plans. Deleted files remain recoverable from trash.

Storage limits require planning: Solo Basic at $8/month includes 2TB, Professional at $20/month provides 6TB.

The platform works well as cloud storage with privacy benefits. As pure backup solution, dedicated services offer better value for unlimited data.

For users prioritizing privacy and needing cloud storage, Sync.com delivers both. For users wanting traditional backup, purpose-built services work better.

Local Backup: Time Machine and Windows Backup

Built-in OS backup tools provide local backup to external drives at no additional cost.

Mac Time Machine backs up to external drives automatically and hourly. Restoration is straightforward: browse backups by date, recover individual files, or restore complete systems.

Windows Backup creates system images and file backups to external drives. Restoration works reliably for system recovery.

Local backup is fast—gigabytes per minute versus hours for cloud upload. Recovery is equally fast.

The limitation is disaster protection. If fire, theft, or flood destroys your computer, local backup drives likely go too. Local backup needs cloud backup complement for complete protection.

For immediate backup and fast recovery, local solutions are unbeatable. Combine with cloud backup for offsite protection.

The 3-2-1 Backup Rule

Proper backup strategy follows 3-2-1 rule: 3 copies of data, on 2 different media types, with 1 offsite.

Example implementation: working files on computer (copy 1), Time Machine backup to external drive (copy 2, different media), Backblaze cloud backup (copy 3, offsite).

This protects against hardware failure, accidental deletion, ransomware, theft, and disasters. No single backup method provides complete protection.

What Actually Matters for Recovery

After simulating various disaster scenarios, certain factors proved critical:

Recovery speed matters when you need data urgently. Local backup restores in minutes. Cloud downloads take hours for large amounts. Physical courier delivery takes days.

File browsing during recovery helps find specific files. Backblaze, Carbonite, and iDrive all allow browsing backed-up files easily. Bulk system images require restoring everything.

Version history prevents losing work from accidental saves. All cloud services provide versioning. Retention periods vary—longer is better.

Verification that backup is working matters. Checking backup status occasionally prevents discovering failed backups when you need them. All services provide status dashboards.

Our Recommendations

Best simple unlimited backup: Backblaze. $99/year for unlimited backup from one computer. Set it and forget it.

Best for multiple devices: iDrive. 5TB across unlimited devices at $80/year provides excellent value for families.

Best for complete system backup: Acronis Cyber Protect. System images enable fast complete recovery. Worth the complexity for critical systems.

Best local backup: External drive with Time Machine (Mac) or Windows Backup. Fast, free (except drive cost), reliable. Combine with cloud backup.

Best for privacy: Sync.com. Zero-knowledge encryption prevents anyone accessing your files. Works as storage and backup.

Avoid: Carbonite. Similar to Backblaze but more expensive without meaningful additional value.

Common Backup Mistakes

Backup without testing recovery is faith-based IT. Test restoring files periodically to verify backup is working and you understand the process.

Single backup method isn’t sufficient. Local-only backup doesn’t protect against disasters. Cloud-only backup doesn’t enable fast recovery.

Assuming sync equals backup is dangerous. Sync services like Dropbox replicate changes immediately, including deletions and ransomware encryption. Proper backup preserves previous versions.

Ignoring backup until after data loss is common but preventable. Set up backup before needing it. Post-disaster setup doesn’t help.

The Cost of Data Loss

Backup software costs $80-150 annually for comprehensive protection. The cost of losing data—irreplaceable photos, work files, financial records—far exceeds this.

Calculate the value of your data. If losing everything on your computer would be devastating, backup is cheap insurance. If you genuinely don’t care about any local files, skip it.

For most people, the answer is obvious: years of photos, documents, and work justify $100 annually for protection.

Some businesses work with technology consultants to implement comprehensive backup strategies across teams and servers. For individuals, consumer services provide adequate protection.

Backup Automation

Manual backup fails because humans forget. Automatic continuous backup works because it doesn’t depend on remembering.

All recommended services run automatically in background. The only human involvement is initial setup and occasional verification.

Choose services with good automatic backup. Avoid solutions requiring manual intervention unless you’ll reliably follow through.

The best backup solution for most people is Backblaze (unlimited, automatic, simple) plus local backup to external drive (fast recovery). This provides offsite protection and quick recovery at minimal cost and complexity.

For families with multiple devices, iDrive’s multi-device support provides better value. For privacy concerns, Sync.com adds encryption. For system image capability, Acronis delivers comprehensive protection.

Whatever you choose, implement it now. Waiting until after data loss to set up backup doesn’t help. The best time to back up data is before you need to restore it.