The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

¿Está preparado para instalar? Antes de empezar, asegúrate de que tu PC o Mac cumple los requisitos del sistema.. Si ya ha canjeado una clave de producto, simplemente va a reinstalar las aplicaciones o sabe que tiene una licencia asignada a través del trabajo o la escuela, puede ir directamente a la sección iniciar sesión para descargar e instalar Microsoft 365 u Office.

Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.

Set up PC folder backup. Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help & Settings icon then Settings.). Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help and Settings icon then Settings.)

Download and install the My Apps Secure Sign-in Extension. Download and install the My Apps Secure Sign-in Extension, if you're prompted. This extension helps you use your desktop browser to use single sign-on with your organization's cloud apps.

Notes: You don't need a smartphone to receive a security code. Text messages may come from either "MSFT", a short number, or a mobile number.If you have requested a security code, you can trust the message that arrives.

Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content

Invisible digital signatures in Word, Excel, or PowerPoint. An invisible digital signature, like a visible digital signature line, assures the authenticity, integrity, and origin of a document.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

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