Download Microsoft Authenticator - Microsoft Support
To install Authenticator on your iOS device Scan the QR code or download and install Authenticator from the Apple app store. Get the app
How to add your accounts to Microsoft Authenticator
If this is the first time you're setting up Authenticator, you might receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). Allow the app to use the camera so that you can take a picture of a QR code in one step.
Set up multi-factor authentication for Microsoft 365
If you don't have the Microsoft Authenticator app for iOS, select Download now. Tip: You can scan a QR code or send a link to your mobile device to download the Authenticator app from the Authenticator app page. After you've downloaded Authenticator, select Next. Select the phone method to receive codes by text.
Digital signatures and certificates - Microsoft Support
Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Visio Plan 2, Excel 2024, PowerPoint 2024, Access 2024, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Visio Professional 2021, Visio Standard 2021, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Visio Professional 2016, Visio Standard 2016
Secure messages with a digital ID in Outlook - Microsoft Support
Signing your email messages with a digital ID helps to prove your identity and prevent message tampering.
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, New Outlook for Windows
Contact - Microsoft Support
MICROSOFT SUPPORT The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.
Getting started with web protection in Microsoft Defender
Web protection is currently available on Windows, iOS, and Android. It does this by checking links you click on, or that an app tries to open on your device and comparing them against our constantly updated list of sites known to be dangerous.
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Windows
Sign in using Microsoft Authenticator - Microsoft Support
Using Authenticator as a way to sign in If you have turned on passwordless, two-step, or multi-factor authentication for your account, use the following steps to sign-in: Go to the site where you want to sign in. Enter your username at the sign-in prompt and select Next. Select Send notification.
How to use two-step verification with your Microsoft account
Get answers to some basic questions about what two-step verification is, and how to set it up and use it to help keep your Microsoft account more secure.
About Microsoft Authenticator - Microsoft Support
Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.