Contact Us - Microsoft Support
Open a service request in the Microsoft 365 admin center. This service is free. Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Recall an email message that you sent in Outlook
Recall a message in Outlook on the web. 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.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, Outlook on the web, Outlook.com, New Outlook for Windows
Use the Office offline installer - Microsoft Support
Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.
Applies To:
Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Delay or schedule sending email messages in Outlook
Select one of the default options, then select Send or choose a custom time and then select Send . After you select Send, the message remains in the Draft folder until the delivery time. If you decide later that you want to send the message immediately, do the following: Switch to the Draft folder.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, Outlook.com, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
Finding your BitLocker recovery key in Windows - Microsoft Support
If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.
在 Outlook 中建立連絡人群組 - Microsoft 支援服務
如果您經常傳送電子郵件給同一群人，您可以在 Outlook 中建立一個連絡人群組，這樣您只需要傳送電子郵件給該連絡人群組，而不是每一個人。 建立連絡人群組. 在 [瀏覽列] 上，選擇 [人員] 。
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
加入 Outlook 中的组 - Microsoft 支持
从电子邮件加入组. 如果收到来自非成员组的电子邮件，并决定加入该组，请在阅读窗格右角的组标题上选择"加入"。. 如果该组是专用的，则你会看到“ 请求加入 ”，系统会要求你提供加入理由。. 请等待请求完成，如果你尝试加入专用组，请等待组管理员添加 ...
Applies To:
Outlook 2016, Outlook on the web, Outlook on the web for Exchange Server 2016
在 [Xbox 家長監護] 應用程式中將某人新增至您的家庭群組
使用 Microsoft 帳戶，您和家庭成員就可以建立 Xbox 設定檔，以玩遊戲和使用 Xbox 服務。. 如果他們還沒有 Microsoft 帳戶，您可以建立一個帳戶，然後使用下一組步驟將之新增到您的家庭群組。. 使用召集人的 Microsoft 帳戶登入應用程式，然後選取 [繼續]。. 選取 ...
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.
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
Update drivers manually in Windows - Microsoft Support
Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.