Offer to save logins
Supported on: Firefox 60 or later, Firefox 60 ESR or later
Registry
HKLM
Software\Policies\Mozilla\Firefox HKCU
Software\Policies\Mozilla\Firefox Value name: OfferToSaveLogins
Enabled: OfferToSaveLogins = 1
Disabled: OfferToSaveLogins = 0
Description
If this policy is enabled or not configured, Firefox will offer to save website logins and passwords. If this policy is disabled, Firefox will not offer to save website logins and passwords.