reg export

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

For examples of how to use this command, see Examples.


Reg export KeyName FileName [/y]


Parameter Description
<KeyName> Specifies the full path of the subkey. The export operation works only with the local computer. The KeyName must include a valid root key. Valid root keys are: HKLM, HKCU, HKCR, HKU, and HKCC.
<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 for reg export at the command prompt.


The following table lists the return values for the reg export operation.

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

Additional references

Command-Line Syntax Key