可以从“我的帐户”门户的 “我的登录 ”页查看所有最近的工作或学校帐户登录活动。. 通过复查登录历史记录来查看以下内容，有助于检查是否有异常活动：. 是否有人尝试破解你的密码。. 是否有攻击者成功登录你的帐户以及登录位置。. 攻击者尝试访问的 ...

若要增加延遲時間，請輸入正數或百分比 (例如 2d) 。. 延隔時間會在兩個具有相依性的工作之間造成延遲。 例如，如果您想要在第一個任務結束和第二個任務開始之間延遲 2 天，請在兩個任務之間 建立完成-開始相依性 ，然後在第二個任務開始之前加上 2 天的延遲時間。

Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint. Tip: If you don't see the SharePoint app under All apps, use the Search box near the top of the window to search for SharePoint. For more information, see Where to sign in to Microsoft 365.

Follow the prompts to install or reinstall the desktop apps. For Microsoft 365 Family or Personal subscriptions: Select Install premium Microsoft 365 apps and follow the prompts to install or reinstall the desktop apps. On the Microsoft 365 subscription tab, select Manage. From here you can: Renew your subscription with a prepaid code or card.

Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...

附註: 您的 IT 系統管理員或社群系統管理員有時會在 Yammer 中傳送通知，並傳送有關您的帳戶和活動更新的電子郵件，例如您偏好的電子郵件通知設定以外的重要公告。 系統管理員必須使用新的Yammer來傳送必要的公告，不過新的和Yammer的使用者都會收到通知。 如果您對您偏好的電子郵件通知設定 ...

Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now.

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.

Open the OneDrive mobile app and select Files or Recent. Select the file. If you need to install the Office mobile apps, see Set up Office apps and email on a mobile device. Upload a file or folder. In OneDrive, select Upload. In File Explorer, select the files and drag them to OneDrive. Note: To upload a folder, use Microsoft Edge or Google ...

Windows 10. Windows 8. Windows 7, Windows Vista, or Windows XP. To view the certificate in the Personal Certificates store, do the following: Open Internet Explorer. On the Tools menu, click Internet Options, and then click the Content tab. Click Certificates, and then click the Personal tab. Important: If you digitally sign a document by using ...