Power efficient settings in Windows 11 - Microsoft Support
Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:
更改桌面背景图像 - Microsoft 支持
在 “个性化设置背景”旁边的列表中,选择“图片”、“ 纯色”、“ 幻灯片放映”或“ Windows 聚焦 (”,) 查看来自世界各地的新图像。
Erstellen eines Installationsmediums für Windows - Microsoft-Support
Erfahren Sie, wie Sie ein Installationsmedium für die Installation oder Neuinstallation von Windows 7, Windows 8.1 oder Windows 10 erstellen.
Lock or unlock specific areas of a protected worksheet
Clear this check box. To prevent users from. Select locked cells. Moving the pointer to cells for which the Locked check box is selected on the Protection tab of the Format Cells dialog box. By default, users are allowed to select locked cells.
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Add pictures or attach files to email messages in Outlook
In Outlook, you have the option to: Attach a file | Upload a locally saved file to your OneDrive | Insert a picture into the body of a message | Attach an email item | Solve problems with attachments. Attach a file to an email message in new Outlook. New Outlook keeps track of the files you have worked on recently and suggests them whenever you decide you want to attach a file to an email message.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook on the web, Outlook.com, New Outlook for Windows
Excel not responding, hangs, freezes or stops working
When you run Excel in safe mode, it bypasses functionality and settings such as alternative startup location, changed toolbars, startup folders used by Excel, Excel add-ins, and most COM add-ins. While add-ins can enhance your experience, they can occasionally interfere, or conflict with Excel. You can safe mode troubleshoot in one of two ways:
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
TEXTSPLIT function - Microsoft Support
Splits text strings by using column and row delimiters. The TEXTSPLIT function works the same as the Text-to-Columns wizard, but in formula form.It allows you to split across columns or down by rows.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web
Windows keyboard tips and tricks - Microsoft Support
Keystroke. What it does. Windows logo key + R Opens the Run command. Windows logo key + S Opens Search. Windows logo key + E Opens File Explorer. Alt + Tab. Opens Task Switcher, moving forward with each press of Tab, switching to that window on release
Getting ready for the Windows 11 upgrade - Microsoft Support
If you're running Windows 8.1 or earlier, or if your PC doesn't meet the minimum system requirements to run Windows 11, consider moving to a new Windows 11 device. Find a PC that meets your needs. Set up your Microsoft account to transfer files and favorites. One account connects your device across Microsoft apps and services like Microsoft 365, OneDrive, Edge, and Microsoft Store.
Block or unblock senders in Outlook - Microsoft Support
Notes: If you have existing lists of safe names and addresses, you can move that information into Outlook. Click Import from File and browse for the list file that you want. To create a file that uses your current list, click Export to File and then specify where you want the new file saved.. To change a name on the list, click the name that you want to change and then click Edit.
Applies To: New Outlook for Windows