SUM function - Microsoft Support
How do I add or subtract Times? You can add and subtract times in a few different ways. For example, to get the difference between 8:00 AM - 12:00 PM for payroll purposes you would use: =("12:00 PM"-"8:00 AM")*24, taking the end time minus the start time.Note that Excel calculates times as a fraction of a day, so you need to multiply by 24 to get the total hours.
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
Update your security processor (TPM) firmware - Microsoft Support
2. Install any applicable firmware updates. If you have a Surface device, see Security issue for TPM on Surface devices for more information and instructions.. If your device is not from Microsoft, locate the device manufacturer of your device in the following table, select the corresponding link, and apply the firmware update that's provide.
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.
Localizar e abrir Explorador de Arquivos - Suporte da Microsoft
Explorador de Arquivos no Windows 11 ajuda você a obter os arquivos necessários de forma rápida e fácil. Para marcar-lo no Windows 11, selecione-o na barra de tarefas ou no menu Iniciar ou pressione a tecla do logotipo do Windows + E no teclado.. Como usar Explorador de Arquivos:
Обновление драйверов вручную в Windows - Служба ...
Примечание: Лучший и безопасный способ получения обновлений драйверов в Windows всегда клиентский компонент Центра обновления Windows.Если у вас возникли проблемы с клиентский компонент Центра обновления Windows, вы можете ...
Hinzufügen eines Druckers oder Scanners in Windows
Wenn Ihr Drucker über ein Kabel verbunden wird, schließen Sie ihn an Ihr Gerät an. Es wird automatisch eine Verbindung hergestellt, Ihr PC lädt die richtigen Treiber herunter, und Sie können ihn sofort verwenden.
View sent email - Microsoft Support
After you send an email message, you might want to find that email and resend it or forward it to someone else. Outlook stores your messages in the Sent Items folder.If you don't see the Sent Items folder, you may need to change your Outlook settings.. You can find your Sent Items folder in your folder list.
适用于: Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013
使用 IF 检查单元格是否为空白 - Microsoft 支持
有些时候,你需要检查单元格是否为空白,通常是因为你可能不希望公式没有输入值就显示结果。 此情况下,将 IF 与 ISBLANK 函数搭配使用: =IF(ISBLANK(D2),"Blank","Not Blank")
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
SharePoint video training - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
适用于: Microsoft 365 中的 SharePoint
What is Data Execution Prevention (DEP)? - Microsoft Support
Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.