While composing a message, select the dropdown next to Send and select Schedule send. 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.

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 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.

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] 。

當您將子女或其他家庭成員新增為家庭群組的成員時，您可以在 Xbox 網路上管理其使用時間安全性。. 請注意 若要新增為成員，使用者必須擁有現有的 Microsoft 帳戶。. 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。. 使用 ...

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.

Fix Bluetooth problems in Windows. If you run into problems trying to connect to a Bluetooth device, here are some troubleshooting steps to try. Note: For general info about how to connect a Bluetooth device to your PC, see Pair a Bluetooth device in Windows.

Lock or unlock specific areas of a protected worksheet. You can insert a drop-down list of valid entries (also called a drop-down menu or drop-down box) in Excel to make data entry easier, or to limit entries to certain items that you define.

Microsoft 365 群組 是一種服務，可搭配您已使用的工具 Microsoft 365 讓您能夠與您的小組成員共同作業，包括撰寫文件、 建立試算表、 處理專案計劃、 排程會議或傳送電子郵件。 本文會協助介紹群組的功能，並提供後續步驟的實用連結。

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.