Use the Information Protection viewer to view protected files in Windows, Android, iOS, or Edge.

若要新增印刷字體的簽章，請在 X 旁邊的方塊中輸入您的名稱。 要加上手寫簽名，請使用墨線功能在 X 旁邊的方框簽名。 若要使用您書寫簽名的圖片，請選擇 「選擇圖片」。 在 「插入圖片」對話框中，選擇簽名影像檔案的位置，選擇該檔案，然後選擇 選擇 ...

Xbox Support ... Xbox Support

Sign-in options Usage Guidelines URL: Privacy Policy URL: ...

To back up your accounts on an iOS device you need to enable iCloud to use Authenticator and then enable backup in Authenticator. Enable iCloud Drive on your iOS device.

Need help setting up an Xbox profile or signing in to Xbox on your console, PC, or mobile device? This solution will help you sign in or create a new account.

Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...

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

A: If you're using Microsoft Authenticator with an Android or iOS work profile, make sure you add biometrics in your work profile. Biometrics for regular security don't always carry over to work profiles.

Learn how to use mobile operator billing as a payment option to buy Xbox subscriptions, games, and other content.