使用 Microsoft 登录
登录或创建帐户。
你好,
使用其他帐户。
你有多个帐户
选择要登录的帐户。
Microsoft Support
Supercharge your creativity and productivity with a premium Copilot experience. Download the Copilot app for a 1-month free trial of Copilot Pro. Get the Copilot app. Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Manage files and folders in OneDrive - Microsoft Support
Training: Get up and running quick. Note: If you already had an account signed in to OneDrive and you want to add another account, click the OneDrive cloud icon up in the Menu bar, click the three dots to open the menu, and select Preferences.Click the Account tab, select Add an Account to start OneDrive Setup, and then sign in.
适用于: OneDrive (家庭或个人), OneDrive for Mac, Windows 版 OneDrive
Run the latest version of Internet Explorer 11 - Microsoft Support
To open Internet Explorer, select the Start button, type Internet Explorer, and then select the top search result. To be sure you have the latest version of Internet Explorer 11, select the Start button, select Settings > Update & security > Windows Update, and then select Check for updates. Internet Explorer 11 support ended on June 15, 2022.
Digital signatures and certificates - Microsoft Support
Signing certificate To create a digital signature, you need a signing certificate, which proves identity. When you send a digitally-signed macro or document, you also send your certificate and public key. Certificates are issued by a certification authority, and like a driver’s license, can be revoked. A certificate is usually valid for a ...
适用于: Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, Visio 计划 2, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Visio Professional 2021, Visio Standard 2021, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Visio 专业版 2016, Visio 标准版 2016, Excel 2013, Word 2013, PowerPoint 2013, Access 2013, Visio 专业版 2013, Visio 2013
下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013
注意: 如果是通过以下任一方式获取的 Microsoft 365:Microsoft 工作区折扣计划(以前称为家用许可计划),则安装 2019、2016 或 2013 版的 Office 专业增强版、Office 标准版或独立应用(如 Word 或 Project)的步骤可能会有所不同:如果你通过公司购买了 Microsoft 365 供个人使用,请参阅通过工作场所折扣计划安装 ...
适用于: Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Change your default search engine in Microsoft Edge
Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows.However, you can change the default search engine to any site that uses OpenSearch technology.
Uninstall or remove apps and programs in Windows
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.
Open Device Manager - Microsoft Support
Windows 10. In the search box on the taskbar, type device manager, then select Device Manager from the menu. Open Device Manager.
Get the classic free Solitaire games for Windows
On the Microsoft Solitaire Collection page in Microsoft Store, select Install. The game will download and install automatically. To launch the game, select Play. You can always launch the game from the product page, but there's an easier way--pin it. With the game open, right-click (or press and hold) the game button on your task bar and select ...
Change your browser home page - Microsoft Support
Open Safari, then choose Safari > Preferences, then select General. In the Homepage field, enter a wepage address. To simply use the webpage you're currently viewing, select Set to Current Page. Choose when your homepage is shown. Open new windows with your homepage: Select the New windows open with pop-up menu, then choose Homepage.