certutil hashfile — Append outputIT technician command center
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Windows CMD · Windows Command Line

certutil hashfile — Append output

Append command output and errors to an existing log. Base task: Calculate a file hash.

Copy-ready commandcertutil hashfile — Append output
certutil -hashfile installer.exe SHA256 >> command-results.txt 2>&1

Requirements and permissions

Requirements
Windows 10/11 or Windows Server
Permissions
Varies by command
Last reviewed
2026-08-01

Examples

Append output

Append command output and errors to an existing log.

certutil -hashfile installer.exe SHA256 >> command-results.txt 2>&1

Common errors

Command or option not supported

Confirm the installed platform version supports the base command and the added output or wrapper option.

Access denied or insufficient privileges

Run with the administrative role or delegated permission required by the underlying command.