reg export

Copies the specified subkeys, entries, and values of the local computer into a file for transfer to other servers.


reg export <keyname> <filename> [/y]


Parameter Description
<keyname> Specifies the full path of the subkey. The export operation only works with the local computer. The keyname must include a valid root key. Valid root keys for the local computer are: HKLM, HKCU, HKCR, HKU, and HKCC. If the registry key name contains a space, enclose the key name in quotes.
<filename> Specifies the name and path of the file to be created during the operation. The file must have a .reg extension.
/y Overwrites any existing file with the name filename without prompting for confirmation.
/? Displays help at the command prompt.


  • The return values for the reg export operation are:

    Value Description
    0 Success
    1 Failure


To export the contents of all subkeys and values of the key MyApp to the file AppBkUp.reg, type:

reg export HKLM\Software\MyCo\MyApp AppBkUp.reg