Notes: Microsoft Authenticator is not available for PC or Mac as authenticator apps are typically designed for smartphones for security reasons. Learn more. Microsoft no longer supports Authenticator versions that are more than one year old. Always keep your device up to date.

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From the Approvals hub Select Apps in Teams. Search for and select Approvals. Select Open. If you’re in the new view of a new request, select New approval request > Adobe Sign. If you’re in the classic view, select E-sign > Adobe Sign. From a chat or channel Select Chat or Teams in Teams.

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 ...

Before you can use Authenticator as a way to sign in, you need to download the app and have already added Authenticator to your accounts. Starting July 2025, the autofill feature in Authenticator will stop working, and from August 2025, passwords will no longer be accessible in 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.

You will see sign-in requests appear either on the lock screen or in the Outlook mobile app. You'll also be able to get one-time passcodes, which you can copy/paste into other sign-in screens.

An authenticator app like Microsoft Authenticator that can provide easier verification, and also allows you to sign in even if the verification device is offline.

Make sure you're using the latest version of Authenticator - Microsoft does not support any app versions more than 12 months old. Tap Settings and make sure App updates is turned on.

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