Microsoft Authenticator is a two - cistron assay-mark app for client to logarithm into their bill . It can countenance passwordless login ; respond to a user list / password signup actuate for authentication ; or conduct like a code author for all former appraiser app keep going account statement . Microsoft has step by step educate this social function over the late few calendar week . As of nowadays , September 12 , “ there ’s 100 % immediately for variation 6.6.0 + accessible , ” province the Microsoft web log article . credential are update regular if client summate , edit or redact accounting , authority have allege . To enable mist stand-in , Authenticator substance abuser can endure to background and then congeal the fog backup on-off switch on under “ Backup . ” To regain business relationship certification on a impudent machine , customer can pickaxe “ Begin Recovery ” as an report option to logarithm in with their former Microsoft calculate . For Io and Android call up , Microsoft Authenticator is approachable . On iOS , user take an iCloud entrepot localisation explanation . Android and iOS exploiter both motivation a Microsoft personal news report to be able to remember their account . Authenticator solitary storage individual and tertiary - company credentials for client , i.e. substance abuser cite and business relationship verification inscribe to present indistinguishability . There personify no other news report datum salt away , representative of Microsoft take . reference : ZDNet