Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Recall an email message that you sent in Outlook
Open the message that you want to recall. You must double-click to open the message. Selecting the message so it appears in the reading pane won't allow you to recall the message. If you have the Classic Ribbon, from the Message tab, select Actions > Recall This Message.
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
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.
Create a drop-down list - Microsoft Support
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.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
在 Lync 中建立新群組 - Microsoft 支援服務
在 Lync 中，群組是您建立的連絡人集合，讓您可以快速在顯示中查看多位連絡人，或同時與他們進行通訊。 您決定您需要的群組以及群組的成員。
Applies To:
Lync 2013 for Office 365, Lync 2013, Lync Basic 2013
How to cancel or stop sync in OneDrive - Microsoft Support
How to cancel or stop sync in OneDrive. OneDrive (work or school) OneDrive (home or personal) More... If you want to stop a file or folder from syncing or backing up, you can pause the upload or download. See Stop syncing temporarily below for details.
Applies To:
OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
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
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 ...
Mouse and Keyboard Center download - Microsoft Support
The Microsoft Mouse and Keyboard Center is an app that helps you make the most out of your Microsoft keyboard and mouse. Mouse and Keyboard Center helps you personalize and customize how you work on your PC. This app is not available for Windows S mode .
Edit photos and videos in Windows - Microsoft Support
Edit photos and videos in Windows. Whether you like to apply changes that affect your photo's quality, feel, and look—or you want to add information on top of your photos, the Microsoft Photos app in Windows gives you all kinds of options for getting your photos and videos looking their best.