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Cómo iniciar sesión en Hotmail - Soporte técnico de Microsoft
Obtener ayuda con Outlook.com. Para obtener soporte técnico en Outlook.com, haga clic aquí o seleccione Ayuda en la barra de menús y escriba la consulta. Si la autoayuda no resuelve el problema, desplácese hacia abajo hasta ¿Necesita más ayuda? y seleccione Sí. Para ponerte en contacto con nosotros en Outlook.com, tendrás que iniciar ...
Applies To: Outlook.com
Secure messages by using a digital signature - Microsoft Support
In the message, on the Options tab, in the Permission group, click Sign Message. In the message, click Options. In the More Options group, click the dialog box launcher in the lower-right corner. Click Security Settings, and then select the Add digital signature to this message check box. Click OK, and then click Close.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
从 PC 卸载 Office - Microsoft 支持
提示: 如果将 Microsoft 365 应用作为套件的一部分安装,例如 Office 家庭和学生版 或 Microsoft 365,请搜索套件名称。对于独立应用,请按 Project 或 Visio 等应用名称进行搜索。 在大多数情况下,如果单个应用包含在 Microsoft 365 套件中,则无法将其卸载。
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, Office.com
在 Microsoft Edge 中添加、关闭或删除扩展 - Microsoft 支持
从 Microsoft Edge 中删除扩展. 若要删除任何扩展,请选择以下方法之一:. 在 Microsoft Edge 中,选择并按住(或右键单击)要删除(浏览器地址栏右侧)的扩展图标。. 选择“ 从 Microsoft Edge 中删除 ”>“ 删除 ”。. 在浏览器地址栏的右侧,选择“ 扩展 ”,然后选择 ...
Windows 键盘快捷方式 - Microsoft 支持
在打开的应用之间切换 :Alt + Tab. 打开"快速链接"菜单 :Windows徽标键 + X. 锁定电脑: Windows 徽标键 + L. 根据你的硬件,可以使用徽标Windows + PrtScn 进行屏幕截图, 或使用Fn + Windows徽标键 + 空格键 。. 查看所有Windows 11快捷方式. 订阅 RSS 源. 了解常见键盘Windows ...
KB2986423-修正:當資料列大小超過允許大小上限時,需要花很長的時間將新資料行新增至資料表
原因. 發生這個問題的原因是,當列的總大小接近允許的最大列大小時,SQL Server 會對資料表進行完整的掃描,以確保新增的欄不會違反資料完整性。. SQL Server 2012 之前的版本不會執行這項檢查,這會讓資料定義語言(DDL)執行得更快。. 不過,如果列大小超過 ...
Activate Windows - Microsoft Support
Activate Windows using a product key. A product key is a 25-character code, that looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. During installation, you'll be prompted to enter a product key. Or, after installation, to enter the product key, select the Start button, and then select Settings > System > Activation > Update product ...
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
Pair a Bluetooth device in Windows - Microsoft Support
In Settings: Select Start > Settings > Bluetooth & devices , and then turn on Bluetooth . In quick settings: To find the quick setting for Bluetooth, select the Network, Sound, or Battery icons ( ) next to the time and date on the right side of your taskbar. Select Bluetooth to turn it on.
SUMIF function - Microsoft Support
If you want, you can apply the criteria to one range and sum the corresponding values in a different range. For example, the formula =SUMIF(B2:B5, "John", C2:C5) sums only the values in the range C2:C5, where the corresponding cells in the range B2:B5 equal "John." To sum cells based on multiple criteria, see SUMIFS function.
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