How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.

Check the Xbox services, games, and apps for any service outages.

Use a ready signature template from a gallery to create your email signature in Outlook.

Contact support in Outlook for iOS or Android Send feedback for Outlook for iOS or Android

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

Microsoft Authenticator helps you sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless on your account.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

The extra features below are available on iOS tablets and phones with a qualifying Microsoft 365 subscription. For information about the extra security and control features that are available for customers with a Microsoft 365 for business plan, visit the mobile apps for business page.

Note: Starting February 2026, we will introduce Jailbreak/Root detection for work/school Entra credentials in Microsoft Authenticator. This change enhances security by preventing Authenticator Entra credentials from functioning on jailbroken or rooted devices. Learn more.

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.