Extract passwords from local items keychain files
Backup of Local Items keychain


Create a new keychain in Keychain Access via File > New Keychain...
Copy all the entries from Local Items over to this newly created keychain
Backup the keychain by navigating to ~/Library/Keychains/ and copying the newly created keychain to a safe place
You can now delete the newly created keychain in Keychain Access via right-click Delete Keychain (Delete References &amp; Files)


Restore of Local Items keychain


Add the backed up keychain in Keychain Access via File > Add Keychain... and navigating to its location
Copy all the entries from this keychain over to Local Items
You can delete the previously added keychain since all of the entries now reside in Local Items