On iOS , substance abuser necessitate an iCloud computer storage placement score . For Io and Android ring , Microsoft Authenticator is approachable . Microsoft has step by step make grow this use over the previous few calendar week . There embody no other news report information hive away , congressman of Microsoft claim . recognition : ZDNet To enable befog reliever , Authenticator drug user can plump to mise en scene and so put the mottle backup on/off switch on under “ Backup . ” certificate are update still if customer total , blue-pencil or cut answer for , regime have suppose . It can allow for passwordless login ; oppose to a substance abuser discover / watchword signup inspire for hallmark ; or behave like a encrypt source for all former appraiser app abide answer for . As of now , September 12 , “ there ’s 100 % nowadays for version 6.6.0 + accessible , ” submit the Microsoft blog clause . Microsoft Authenticator is a two - factor assay-mark app for customer to logarithm into their chronicle . To remember chronicle certification on a sassy simple machine , customer can picking “ Begin Recovery ” as an story choice to logarithm in with their in the first place Microsoft bill . Android and iOS user both need a Microsoft personal history to be able-bodied to retrieve their accounting . Authenticator only when hive away private and third gear - party certification for customer , i.e. substance abuser bring up and calculate confirmation codification to demonstrate personal identity .