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This article describes the limits in Microsoft Purview Data Security Investigations.
Investigation limits
The following table lists the limits for investigations in Data Security Investigations.
| Description of limit | Data Security Investigations feature support |
|---|---|
| Total number of documents that you can add to an investigation. | 40 million |
| Total file size per investigation. | 1 TB |
Purge limits
The following table lists the limits for purge in Data Security Investigations.
| Description of limit | Data Security Investigations feature support |
|---|---|
| Maximum number of items per purge search query. | 1,000 |
Audit search limits (preview)
The following table lists the limits for audit search in Data Security Investigations.
| Description of limit | Data Security Investigations feature support |
|---|---|
| Maximum items returned per audit search. | Approximately 3,000 |
| Maximum concurrent audit searches per user. | 10 |