A digital signature is an electronic, encrypted, stamp of authentication on digital information such as email messages, macros, or electronic documents. A signature confirms that the information originated from the signer and has not been altered.

If the app has a valid signature, Smart App Control will let it run. If the app is unsigned, or the signature is invalid, Smart App Control will consider it untrusted and block it for your protection.

Set up your Apple device for cloud gaming. If your controller stops working while playing on iPad, check to make sure you have the latest OS version installed. If you know your device’s OS is up to date, try force closing your browser and launching it again.

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

To report issues or provide feedback, simply go to Help > Contact Support in Outlook for Mac. For more information, see Contact Support in Outlook for Mac. Have a feature request? To suggest new features in Outlook for Mac, go to Help > Give Feedback. We're listening.

Find out how to fix network, audio/video, and controller issues when playing Xbox games from the cloud.

You can add signatures manually to individual email messages, or you can have a signature automatically added to every message that you send. In Outlook, multiple objects must be anchored before you can drag them all at once.

How to check—on consoles and on the web—your time spent in games.

Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.

Choose Ask for my PIN or Lock it down to use the default security settings, which will require verification of your account before using certain Xbox features and services. Choose Customised to configure exactly how you want to control your PIN settings.