How to spot a "fake order" scam - Microsoft Support
Let's take a good look at the clues in this example that pretends to be a subscription confirmation to Norton LifeLock. 1. The sender address. The sender's email address is often the first clue that the message is a fake. In this example they haven't even tried to make it look real.
获取数字证书并创建数字签名 - Microsoft 支持
数字签名或 ID 通常称为 数字证书 。. 若要对 Office 文档进行数字签名，必须具有当前 (未过期) 数字证书。. 数字证书通常由证书颁发机构 (CA) 颁发，CA 是颁发数字证书供其他方使用的受信任的第三方实体。. 有许多商业第三方证书颁发机构可以从中购买数字证书 ...
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Word 2021, Word 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Office 2016, Excel 2013, Word 2013, Outlook 2013, PowerPoint 2013, Office 2013
激活 Office - Microsoft 支持
从 Microsoft 工作区折扣计划激活 Office. 如果你通过雇主的 Microsoft 工作区折扣计划（以前称为 Microsoft 家用许可计划）权益购买了 Office 专业增强版、Visio Professional 或 Project Professional，请选择“ 我不想登录或创建帐户 ”（在屏幕底部）并输入产品密钥。. 获取 ...
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 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013. 如果这是你 第一次 安装 Microsoft 365，则可能需要先执行一些设置步骤。. 展开下面的 “了解详细信息”部分。. 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转 ...
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Select Install (or depending on your version, Install apps> ). From the home page select Install apps (If you set a different start page, go to aka.ms/office-install .) For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn/account. For Microsoft 365 Germany go to portal.office.de/account.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Fix problems that block programs from being installed or removed ...
Block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel. If you're trying to remove malware, you can use Windows Security (or another antivirus tool), or you can use the Windows Malicious Software Removal tool.
工作或学校帐户双重验证的常见问题 - Microsoft 支持
我们编写了这篇文章，以介绍最常见问题的修复方法。. Azure Active Directory (Azure AD) 组织可以为你的帐户启用双重验证。. 启用双重验证后，帐户登录需要以下数据的组合：. 您的用户名. 你的密码. 移动设备或手机. 双重验证比仅使用密码更安全，因为双重验证需要 ...
将Microsoft Authenticator应用设置为验证方法 - Microsoft 支持
将Microsoft Authenticator应用设置为验证方法. 可以按照以下步骤添加双因素验证和密码重置方法。. 首次设置此设置后，可以返回到 “安全信息 ”页来添加、更新或删除安全信息。. 如果在登录到工作或学校帐户后立即提示设置此设置，请参阅登录页提示文章中的 ...
将工作或学校帐户添加到Microsoft Authenticator应用
若要使用凭据登录到工作或学校帐户来添加帐户：. 打开Authenticator应用，然后选择“+”按钮，然后点击 “添加工作或学校帐户 ”。. 选择“ 登录 ”。. 输入工作或学校帐户凭据。. 如果有临时访问通行证 (TAP) 可以使用它进行登录。. 此时，可能会被以下条件 ...
How to sign in to Hotmail - Microsoft Support
Post questions, follow discussions and share your knowledge in the Outlook.com Community. Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.
Applies To:
Outlook.com