To digitally sign an Office document, you must have a current (not expired) digital certificate. Digital certificates are typically issued by a certificate authority (CA), which is a trusted third-party entity that issues digital certificates for use by other parties.

In fact, it's a malicious macro designed to steal or damage your personal data, install ransomware on your machine, gain access to your machine, or use your device to attack other people.

Administra juegos para PC en tu dispositivo Windows o directamente desde la aplicación Xbox para Windows. Esto incluye comprar e instalar un nuevo juego, reinstalar un juego que ya tengas o desinstalar un juego para liberar más espacio en tu PC. Para obtener más ayuda con las instalaciones de juegos en PC, visita:

Xbox One でデジタル アシスタントとして使用する際、どう言ったらよいですか? Xbox Series X および Series S 本体について説明します。

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.

Learn more about what achievements are and unlock them as you play games such as Microsoft Solitaire, Mahjong, Jigsaw.

Microsoft can temporarily pause the Secure Boot certificate updates for certain device configurations while a compatibility issue is being investigated. The update will resume automatically once the issue is resolved.

Use popular Office apps like Word, Excel, PowerPoint, and OneNote on your iPhone, iPad or other iOS device. Set up email using Outlook for iOS.

Secure Boot certificate servicing on Windows is a coordinated process between the operating system and a device’s UEFI firmware. The goal is to update critical trust anchors while preserving the ability to boot at each stage.

Your digital signature, which includes your certificate and public key, originates from your digital ID. And that digital ID serves as your unique digital mark and signals the recipient that the content hasn't been altered in transit.