Data loss can happen to anyone through hardware failure, theft, ransomware, or simple human error. A proper backup strategy is the only guarantee that your important files survive these events.
The 3-2-1 rule is the gold standard for backup strategy: keep three copies of your data on two different types of media with one copy stored offsite. This protects against virtually every data loss scenario.
Cloud backup services like Backblaze and Carbonite automatically protect your entire computer for a few dollars per month. Once configured, they run silently in the background without requiring any ongoing attention.
External hard drives provide fast local backups for large files. They are excellent for quick restores and for backing up data that you prefer not to store in the cloud. Encrypt external drives to protect your data if the drive is lost or stolen.
Time Machine on Mac and File History on Windows provide built-in versioned backups. These features keep multiple versions of your files, allowing you to recover not just deleted files but also previous versions of documents you have modified.
Test your backups regularly. A backup that cannot be restored is worse than no backup at all because it creates a false sense of security. Schedule a quarterly test where you verify that important files can be successfully recovered.
Prioritize irreplaceable data. Family photos, financial records, legal documents, and creative work should have the most robust backup protection. Applications and media can be redownloaded, but original files cannot be recreated.
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