Microsoft Authenticator is a two - component certification app for client to lumber into their accounting . It can let passwordless login ; oppose to a exploiter gens / word signup inspire for hallmark ; or comport like a computer code source for all former authenticator app abide account . Microsoft has gradually germinate this use over the former few calendar week . As of today , September 12 , “ there ’s 100 % straight off for interlingual rendition 6.6.0 + approachable , ” state the Microsoft web log article . certification are update eventide if client add together , cancel or blue-pencil account statement , potency have tell . To enable mottle substitute , Authenticator drug user can move to mise en scene and then fixed the mottle backup on-off switch on under “ Backup . ” To recover invoice credentials on a fresh automobile , client can plectron “ Begin Recovery ” as an accounting choice to logarithm in with their earliest Microsoft accounting . For Io and Android call up , Microsoft Authenticator is approachable . On iOS , substance abuser necessitate an iCloud memory board locating report . Android and iOS drug user both pauperism a Microsoft personal answer for to be capable to regain their write up . Authenticator simply entrepot private and one-third - political party credentials for client , i.e. drug user appoint and account statement verification cypher to shew identicalness . There exist no former account datum put in , voice of Microsoft claim . quotation : ZDNet