About digital signatures and certificates in Office, and buying a digital certificate from a certificate authority or create your own.

Microsoft Lens is an app for your iOS device that lets you easily capture, use, and share information from documents, whiteboards, photos, or business cards.

了解如何新增安全性資訊以保護您的 Microsoft 帳戶。

Go to Settings, select the email account, and turn the Save Contacts slider to the Off position. Exported contacts (from iCloud or saved locally/directly) will be removed from your device's Contacts app.

Microsoft Software Licence Terms for Xbox and gaming applications for Android and iOS/iPads IF YOU LIVE IN (OR ARE A BUSINESS WITH A PRINCIPAL PLACE OF BUSINESS IN) THE UNITED STATES, PLEASE READ THE “BINDING ARBITRATION AND CLASS ACTION WAIVER” SECTION BELOW.

Synchronization of contacts between your Outlook account and your Apple iPhone or iPod touch requires Apple iTunes. You can configure which items are synchronized during a one-time set up process.

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Phone Link works to connect your iPhone to your Surface so you can see phone notifications , send and receive iOS Messages, and place and answer calls, all from your Surface.

Learn how to redeem prepaid codes for Xbox games, subscriptions, or downloadable content using your account.

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.