Signing your email messages with a digital ID helps to prove your identity and prevent message tampering.

Whether it’s a new job title (congratulations!) or a phone number change, make sure you keep your email message signature up-to-date. If you're using new Outlook, for more information about email signatures, or if you haven’t created one yet, see Add a signature to messages. Select File > Options > Mail > Signatures. Select the signature you want to edit, and then make your changes in the ...

Restore account credentials from Microsoft Authenticator You can restore or recover your account credentials saved by Microsoft Authenticator. Note: You can only backup and restore on the same device type. For example, accounts backed up using an iOS device cannot be restored on an Android device.

Tip: Don’t use the camera app in your Personal profile to scan a sign-in or sign-up QR code; it won’t save the passkey to your Work profile.

Note: This article uses a Windows device for demonstration purposes, but you can also register devices running iOS, Android, or macOS. What happens when you register your device While you're registering your device on your organization's network, the following actions will happen: Windows registers your device on your organization's network.

在Outlook中，您可以為電子郵件建立一或多個個人化簽名。 您的簽名可以包含文字、鏈接、圖片 (影像，例如您的手寫簽名或 ...

To install Authenticator on your iOS device Scan the QR code or download and install Authenticator from the Apple app store. Get the app

Messages that have the encrypt-only policy applied can be read directly in new Outlook, Outlook on the web, Outlook for iOS and Android, Outlook for Windows versions 2019 and newer, and Microsoft 365.

You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.

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.