How to spot a "fake order" scam - Microsoft Support
Learn how criminals use fake order confirmations to trick you into giving them your personal information or downloading malware. See the clues to identify and avoid these scams, and what to do if you get one.
How to start a scan for viruses or malware in Microsoft Defender
Learn how to use Microsoft Defender to check your device for viruses or malware on Windows, Android, or Mac. Find out the signs of infection, the types of scans, and how to run Microsoft Defender Offline for a deeper scan.
Applies To:
Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
How to sign in to Hotmail - Microsoft Support
Learn how to access your Hotmail or Outlook.com email account with your Microsoft Account password. Find troubleshooting tips, service status, and contact information for Outlook.com help.
Applies To:
Outlook.com
Xbox subscription cancellations and refunds | Xbox Support
Learn how to cancel an Xbox subscription and check for refund eligibility in different markets and scenarios. Find out how to manage your subscriptions, troubleshoot issues, and contact support if needed.
Sign in to SharePoint - Microsoft Support
Learn how to access SharePoint, a browser-based app for online collaboration and document management, through your web browser. Find out how to check your subscription, troubleshoot issues, and get training for SharePoint.
Applies To:
SharePoint in Microsoft 365
Manage your Microsoft 365 subscription or Office product
Learn how to install, renew, cancel, or share your Microsoft 365 or Office products on your Microsoft account dashboard. Find out how to access your order history, receipts, and billing options.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2024, Word 2024, Outlook 2024, Access 2024, OneNote 2024, Project Professional 2024, Project Standard 2024, Visio Standard 2024, Office 2024, Excel 2024 for Mac, Word 2024 for Mac, Outlook 2024 for Mac, OneNote 2024 for Mac, Office 2024 for Mac, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, PowerPoint 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Microsoft 365 admin, Outlook on the web, Word Web App, Microsoft account dashboard, New Outlook for Windows
Cómo iniciar o cerrar sesión en Outlook.com
Para obtener soporte técnico en Outlook.com, haga clic aquí o seleccione Ayuda en la barra de menús y escriba la consulta. Si la autoayuda no resuelve el problema, desplácese hacia abajo hasta ¿Necesita más ayuda? y seleccione Sí.. Para ponerte en contacto con nosotros en Outlook.com, tendrás que iniciar sesión.
Applies To:
Outlook.com
如何登录到 Hotmail - Microsoft 支持
提示: 登录时,如果你希望下次直接进入你的邮箱,请在“保持登录?”提示中选择“是”(对于共享计算机,不建议这样做)。 或者,选中“不再显示此内容”框,然后选择“否”,以便每次都提示你输入密码。 如果无法登录,或者忘记了用户名或密码,请使用登录疑难解答。
Applies To:
Outlook.com
如何登入 Hotmail - Microsoft Support
附註: 您的 Hotmail 或 Outlook.com 密碼與您的 Microsoft 帳戶密碼相同。 如果您可以登入但遇到 Outlook.com 的問題,請檢查 服務狀態。 如果狀態不是顯示綠色,請等候該服務正常執行,然後再試一次。
Applies To:
Outlook.com
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
但如果需要测试多个条件,例如我们假设所有条件都需要为 True 或 False (AND),或只有一个条件需要为 True 或 False (OR),或者如果想要检查某个条件是否不 (NOT) 符合你的条件,这时该怎么做呢?这三个函数均可以单独使用,但它们更常见于与 IF 函数成对使用。
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2024, Excel 2024 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App, Excel for Windows Phone 10