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。
Téléchargez et installez ou réinstallez Microsoft 365 ou Office 2021 ...
Vous êtes prêt à procéder à l’installation ? Avant de commencer, assurez-vous que votre PC ou Mac répond à la configuration système requise.. Si vous avez déjà utilisé une clé de produit, que vous réinstallez simplement les applications ou que vous savez que vous disposez d’une licence par le biais de votre entreprise ou de votre établissement scolaire, vous pouvez passer ...
适用于: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, 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 - 管理员版, Microsoft 365 Mac 版, Office 365 Germany – 企业版, Office 365 Germany - 企业管理员版, Office.com
How do I get Microsoft Teams? - Microsoft Support
To get a basic free version of Microsoft Teams: Make sure you have a Microsoft account. If you’re using Skype, OneDrive, Outlook.com, or Xbox Live, then you already have an account, but if you don’t have one, it’s free to create a new Microsoft account. Sign up for Microsoft Teams for free. Enter the email you use for your Microsoft account.
适用于: Microsoft Teams
Product keys for Windows - Microsoft Support
A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow. Windows 11 and Windows 10: In most cases, Windows 11 and Windows 10 activates automatically using a digital license and doesn’t require you to enter a product key ...
Turn Microsoft Defender Firewall on or off - Microsoft Support
Under Microsoft Defender Firewall, switch the setting to On.If your device is connected to a network, network policy settings might prevent you from completing these steps. For more info, contact your administrator.
Can my PC run Windows 11? - Microsoft Support
Windows 11. Your PC can run Windows 11 if it meets minimum (basic) system requirements. For information on basic system requirements and additional requirements for specific features, see Find Windows 11 specs, features, and computer requirements.
Install a language for Windows - Microsoft Support
Select Start > Settings > Time & language > Language & region. Choose a language from the Add a language list under Preferred languages, and then select Options. Select Download from the Download language pack option. After the language pack is installed, select Back. Choose a language from the Windows display language menu. Get steps for how ...
Find and install your Microsoft downloads from Microsoft Store
After you purchase software, the download will be shown in your Order history. To find a specific download, sign in to the Order history page with the Microsoft account you used to make the purchase. Find the software, and then select Product key/Install. Note: If you're having problems installing an app from the Microsoft Store, see Fix ...
适用于: Microsoft 帐户仪表板
Create, edit, or delete a contact list or contact group in Outlook
Edit a contact list. On the side panel, select People. Select All contact lists, then select Edit by either right-clicking the contact list or selecting it from the Ribbon. You'll have the option to rename the contact list, add additional contacts to the list, or add a Description to the list. When you are finished, select Save.
适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 网页版, Outlook.com, 新的 Outlook for Windows
下载 Internet Explorer 11(脱机安装程序) - Microsoft 支持
对 Internet Explorer 的支持已于 2022 年 6 月 15 日结束。. 如果访问的任何网站需要 Internet Explorer 11,则可以在 Microsoft Edge 中使用 Internet Explorer 模式重新加载它。. Microsoft Edge 入门. 若要 了解应该运行哪个版本的 Internet Explorer ,请 查看你的 Windows 版本的信息 。. 如果 ...
Recall an email message that you sent in Outlook
Select Sent Items in the left folder pane, then double-click the sent message to open it in a separate window. From the ribbon, select Recall Message, then select OK in the confirmation dialog box. Shortly thereafter, you'll receive a Message Recall Report in your inbox. Select the link in that message to see whether your recall has succeeded ...
适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 管理员, Outlook 网页版, Outlook.com, 新的 Outlook for Windows