Automatically fix Windows security issues - Microsoft Support
Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page. In the File Download dialog box, click Run or Open, and then follow the steps in the Windows Security Troubleshooter.
Office にサインインする - Microsoft サポート
ガイド付きサポートを試す. Web ブラウザーから www.office.com にサインインして、Web 上のアプリの使用を開始するか、OneDrive などのアカウントに関連付けられている他の Web サービスにアクセスします。. インストールされている Office アプリにサインインする ...
适用于:
Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Project Online 桌面客户端, Microsoft 365 专属 Publisher, Visio 计划 2, Microsoft 365 Mac 版专属 Excel, Microsoft 365 Mac 版专属 Word, Microsoft 365 Mac 版专属 Outlook, Microsoft 365 Mac 版专属 PowerPoint, Microsoft 365 Mac 版专属 OneNote, Excel 网页版, Word 网页版, OneNote 网页版, PowerPoint 网页版, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project 专业版 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 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, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Visio 标准版 2016, OneNote for Mac, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, Project Online, Microsoft 365 Mac 版
Troubleshoot problems with Windows Hello - Microsoft Support
This might also occur if the device has been moved and the lighting conditions are dramatically different in the new location. To improve recognition, select Start > Settings > Accounts > Sign-in options > Facial recognition (Windows Hello) , and then select Improve recognition. If you are having a problem with Windows Hello facial recognition ...
Enable editing in your document - Microsoft Support
Enable editing in your document. Word for Microsoft 365 Word 2021 Word 2019 Word 2016 Word 2013. If you receive or open a document and can't make any changes, it might be Open for viewing only in Protected View. Follow these steps to edit: Go to File > Info. Select Protect document. Select Enable Editing. Edit a protected document.
适用于:
Microsoft 365 专属 Word, Word 2021, Word 2019, Word 2016, Word 2013
更改你的 Microsoft 帐户的电子邮件地址或电话号码 ...
更改你的 Microsoft 帐户的电子邮件地址或电话号码. Microsoft account Microsoft 帐户仪表板. Email与 Microsoft 帐户关联的地址和电话号码称为别名，它们使用相同的联系人、在线存储、订阅和帐户设置。. 可以使用任何别名登录到 Microsoft 服务或 Windows 和 Xbox 设备，并且 ...
适用于:
Microsoft 帐户仪表板
Activa Bluetooth activa o desactiva en Windows
En la barra de tareas, seleccione el icono Red. Seleccione la Bluetooth configuración rápida para activarla o desactivarla. Seleccione Inicio > Configuración > Bluetooth & dispositivos y, a continuación, Bluetooth activar o desactivar. Nota: La Bluetooth rápida solo aparece en el sistema cuando Windows detecta un Bluetooth de datos.
Windows Media Player 12 - Microsoft Support
To manually troubleshoot or upgrade your installation of the Player, try the following: Click the Start button, type features, and then select Turn Windows features on or off. Expand Media Features and see whether the Windows Media Player check box is selected. If it is, clear the check box. Click OK and then restart your PC.
I forgot the account I use with Microsoft 365 - Microsoft Support
The account you associated with your Microsoft 365 for home product is the same email you used when you bought or activated Microsoft 365 the first time, or what you use to sign in and install or manage Microsoft 365 from your account portal. For help with this username or password, select from the options below:
适用于:
Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 Access, OneNote for Microsoft 365, Microsoft 365 专属 Publisher, Visio 计划 2, Microsoft 365 Mac 版专属 Excel, Microsoft 365 Mac 版专属 Word, Microsoft 365 Mac 版专属 OneNote, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project 专业版 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, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Visio 标准版 2016, Office 2016, OneNote for Mac, Microsoft 365 中的 SharePoint, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, 由世纪互联运营的 Office 365, 由世纪互联运营的 Office 365 - 小型企业管理员版, 由世纪互联运营的 Office 365 - 管理员版, Microsoft 365 Mac 版, Office 365 激活, Office 365 Germany – 企业版, Office 365 Germany - 企业管理员版, Project for Office 365
COUNTIFS function - Microsoft Support
COUNTIFS (criteria_range1, criteria1, [criteria_range2, criteria2]…) The COUNTIFS function syntax has the following arguments: criteria_range1 Required. The first range in which to evaluate the associated criteria. criteria1 Required. The criteria in the form of a number, expression, cell reference, or text that define which cells will be ...
适用于:
Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App
PIN を変更またはリセットする - Microsoft サポート
PIN を変更またはリセットする. Windows 11 Windows 10. PIN は、ユーザー定義の数字のセット、または数字と文字の組み合わせです。. これにより、パスワードではなく Windows デバイスにサインインできます。. PIN はデバイスに安全に保存され、どこにも送信され ...