SDelete is a Sysinternals Windows utility that securely deletes files by overwriting on-disk data, making deleted data unrecoverable and resistant to recovery tools. It addresses the fact that normal file deletion and EFS-encrypted data can leave remnants on disk, which could be recovered without specialized deletion. The tool is available as SDelete v2.05 for download from the Sysinternals suite, enabling secure deletion of files and freed space.
AI named SDelete in August 2026.
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