Data Retention

MetaDefender for Microsoft 365 stores different types of data across multiple systems. Each data type has its own retention period, designed to balance operational needs, security analysis, and privacy considerations.

Overview of Retention Periods

Data Store	What it contains	Default Retention
Content	Raw content data and files (Quarantined, Sanitized original etc.)	30 days
Metadata	Content records (sender, recipient, subject, status, comments, activity history etc.)	90 days
Statistics	Aggregated statistics used for dashboards	365 days

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