Syntax pattern from Microsoft Learn; replace placeholders and choose only one documented alternative before use.
reg save <keyname> <filename> [/y]reg save command
Saves a copy of specified subkeys, entries, and values of the registry in a specified file. This guide lists the documented syntax and parameters for reg save; check Microsoft Learn for version, role and execution-context requirements.
Documented syntax
reg save <keyname> <filename> [/y]The linked Microsoft Learn article is the upstream authority. Availability may depend on Windows release, role, optional feature or interactive tool context.
Syntax pattern
Parameters, options and clauses
| Option / clause | Description |
|---|---|
<keyname> | Microsoft documents this argument or subcommand; check the linked reference for its required format and context. |
<filename> | Microsoft documents this argument or subcommand; check the linked reference for its required format and context. |
/y | Microsoft documents this switch; use the linked reference for accepted values, effects and version limits. |
Review a command and its target before running it. Commands that alter files, services, accounts, disks, permissions or databases may be difficult to reverse. Test in a safe environment and keep backups.