Manage your Microsoft 365 subscription or Office product
Your account page is on Office.com. After you sign in, click the arrow next to your name, and then click My Account.
适用于:
Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Microsoft 365 专属 Publisher, Visio 计划 2, Microsoft 365 Mac 版专属 Excel, Microsoft 365 Mac 版专属 Word, Microsoft 365 Mac 版专属 Outlook, Microsoft 365 Mac 版专属 PowerPoint, Microsoft 365 Mac 版专属 OneNote, Word 网页版, OneNote 网页版, PowerPoint 网页版, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project 专业版 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Visio 标准版 2016, Office 2016, Microsoft 365 管理员, Outlook 网页版, Word Web App, Microsoft 帐户仪表板, 新的 Outlook for Windows
Set up dual monitors on Windows - Microsoft Support
Under System , select Display .Your PC should automatically detect your monitors and show your desktop. If you don't see the monitors, select Multiple displays , then Detect.
更改屏幕亮度（Windows - Microsoft 支持
选择任务栏右侧的操作中心，然后移动"亮度"滑块 以调整亮度。 (如果滑块不存在，请参阅下面的备注部分。) 某些电脑可能允许 Windows 根据当前照明条件自动调整屏幕亮度。 若要了解你的电脑是否支持此功能，请选择"设置>"> 显示"。 在“亮度和颜色”下，查找“在照明条件更改时自动更改亮度 ...
下載並安裝或重新安裝 Office 2019、Office 2016 或 Office 2013
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更多選項。選擇您想要的語言和位元版本，然後選取安裝。
适用于:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
How to use multiple monitors in Windows - Microsoft Support
Tip: If you're using a wireless display adapter, connect to an HDMI port on newer TVs, then wirelessly connect your PC to it.After connecting your wireless display adapter to your TV, go to your Windows 11 PC, press Windows logo key + K to open Cast, then select your wireless display adapter.
Can I upgrade to Windows 11? - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Play a CD or DVD in Windows Media Player - Microsoft Support
Note: If you start to play a DVD or VCD in the Player Library, the Player automatically switches to Now Playing mode. The Blu-ray Disc format is not supported in Windows Media Player. To play a Blu-ray Disc, you need to use a non-Microsoft program that supports Blu-ray playback and a device capable of reading Blu-ray Discs.
Verwenden von IF mit den Funktionen AND, OR und NOT in Excel
Beispiele. Im Folgenden finden Sie Beispiele für einige gängige geschachtelte IF(AND()-, IF(OR()) - und IF(NOT())-Anweisungen in Excel. Obwohl die Funktionen UND und ODER bis zu 255 einzelne Bedingungen unterstützen können, wird von der übermäßigen Verwendung abgeraten, da sich die Erstellung, Überprüfung und Verwaltung komplexer, geschachtelter Formeln als schwierig erweisen kann.
适用于:
Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App, Excel for Windows Phone 10
Como iniciar sessão no Hotmail - Suporte da Microsoft
Notas: A sua palavra-passe do Hotmail ou Outlook.com é a mesma que a palavra-passe da sua Conta Microsoft. Se conseguir iniciar sessão mas estiver a ter problemas com o Outlook.com, verifique o estado do serviço.Se o estado não estiver verde, aguarde até que o serviço volte ao normal e tente novamente.
适用于:
Outlook.com
Windows 登录选项和账户保护 - Microsoft 支持
了解如何访问和管理 Windows 登录选项。 使用密码、Windows Hello或安全密钥解锁设备。 你的生物识别数据将保留在你的设备上，直到你将其删除。 但是，在长时间Windows Hello处于非活动状态后，系统会提示确认是否要继续存储生物识别数据。