Using product keys with Office - Microsoft Support
Office is prompting me for a product key. Use your Microsoft account, not your product key, to install and activate Office and individually purchased Office apps, such as Project, Visio, Word, Excel, and Outlook. Sign in to install Office. Bookmark the site below so you always know where to go to install Office.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Microsoft 365 for home, InfoPath 2013
Multiply and divide numbers in Excel - Microsoft Support
You can use any combination of up to 255 numbers or cell references in the PRODUCT function. For example, the formula =PRODUCT (A2,A4:A15,12,E3:E5,150,G4,H4:J6) multiplies two single cells (A2 and G4), two numbers (12 and 150), and three ranges (A4:A15, E3:E5, and H4:J6).
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
Sign in to SharePoint - Microsoft Support
SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint.
Applies To:
SharePoint in Microsoft 365
如何登入 Hotmail - Microsoft Support
登入 Hotmail 或 Outlook.com. Hotmail 現在為 Outlook.com. 若要登入 Hotmail，您將需要您的 Microsoft 帳戶使用者名稱和密碼。. 提示: 登入時，如果您下次想要直接移至信箱，請在 [保持登入?] 提示中選取 [是] (不建議用於共用電腦)。. 或者，選取 [不要再顯示這個] 方塊，然後 ...
Applies To:
Outlook.com
Xbox 360 system update error codes | Xbox Support
If your Xbox 360 system update failed, find troubleshooting steps for error codes related to the Xbox console system update.
在 Microsoft Store 中變更您的國家或地區 - Microsoft Support
在 Microsoft Store 中變更您的國家或地區. 我們建議您只在長期搬到新的國家/地區時才變更您的地區。. 這點很重要，因為 您在某個地區取得的專案可能無法在另一個地區使用 。. 其中包含：. 應用程式、遊戲、電影，以及您 Microsoft 帳戶中的餘額。. 重要: Microsoft ...
全球客户服务电话号码 - Microsoft 支持
要查找你所在国家/地区的客服电话号码，请单击一个地区并查找你所在的国家/地区。. 注意: Surface 设备的支持案例只能 在线 启动。. 本页提供 Microsoft 客服的电话号码。.
IMAP 和 POP 是什么？ - Microsoft 支持
IMAP 允许你从任何设备访问你的电子邮件，无论你身在何处。. 使用 IMAP 阅读电子邮件时，实际上不是在计算机上下载或存储它;而是从电子邮件服务读取它。. 因此，你可以从世界上任何地方的不同设备检查电子邮件：你的手机、计算机、朋友的计算机。. IMAP 仅 ...
Applies To:
Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Office for business, Microsoft 365 admin, Outlook.com, Outlook Web App for Office 365 operated by 21Vianet, New Outlook for Windows, Outlook Mail for Windows 10
下載並安裝或重新安裝 Office 2019、Office 2016 或 Office 2013
忘記您的帳戶詳細資料？. 請參閱 我忘記與 Office 搭配使用的帳戶 。. 從 [概觀] 頁面選取 [Office 應用程式 ]，然後在該頁面上尋找您要安裝的 Microsoft 365 產品，然後選取 [ 安裝] 。. 若要以不同的語言安裝 Microsoft 365 ，或安裝 64 位版本 ，請使用下拉式清單來尋找 ...
Applies To:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
如何登录到 Hotmail - Microsoft 支持
登录到 Hotmail 或 Outlook.com. Hotmail 现在为 Outlook.com. 若要登录到 Hotmail，需要提供 Microsoft 帐户用户名和密码。. 登录. 提示: 登录时，如果你希望下次直接进入你的邮箱，请在“保持登录?”提示中选择“ 是 ”（对于共享计算机，不建议这样做）。. 或者，选中“不 ...
Applies To:
Outlook.com