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Change screen brightness in Windows - Microsoft Support
If you don't have a desktop PC and the slider doesn't appear or work, try updating the display driver. Select Search on the taskbar, type Device Manager, and then select Device Manager from the list of results.In Device Manager, select Display adapters, then select the display adapter.Press and hold (or right-click) the display adapter name, then select Update driver and follow the instructions.
Contact - Microsoft Support
Get in touch with Microsoft Support for assistance with Microsoft products and services.
See your favorites bar in Microsoft Edge and Internet Explorer 11
Under Customize toolbar, for Show favorites bar, do one of the following:. To turn on the favorites bar, select Always.
Fix problems that block programs from being installed or removed ...
Note: Use these steps for Windows programs.If you're having problems with an app you got from Microsoft Store, go to Fix problems with apps from Microsoft Store.
Use a proxy server in Windows - Microsoft Support
If you don’t want to use the proxy server when you visit certain websites, enter the ending of the website address in the exception list (for example, *.contoso.com). For multiple websites, type each website address and separate the addresses with a semicolon (for example: *.contoso.com; *.adatum.com).The * is a wildcard so any website addresses that end with the website address listed will ...
Office - Microsoft
解决激活错误. 如果 Microsoft 365 无法激活,其最后会变为未授权,且 Microsoft 365 的所有编辑功能都会被禁用。 Microsoft 可能由于多种原因变为未授权。
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, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
Windows location service and privacy - Microsoft Support
To control location for just your user account, switch the Let apps access your location setting On or Off.If "Location services is off" appears on the settings page, you won't be able to turn on the Let apps access your location setting for an individual user account.
Fix microphone problems - Microsoft Support
If you want to give access to desktop apps, make sure that Let desktop apps access your microphone is turned on.You can't turn off microphone access for individual apps. Others can't hear me. Try the following solutions:
Добавить приложение для автоматического запуска при начальной загрузке ...
Щелкните приложение правой кнопкой мыши, выберите Дополнительно, затем Открыть расположение файла.Откроется папка, где сохранен ярлык приложения.
使 VLOOKUPINDEX MATCH - Microsoft
VLOOKUP 第一个参数是要查找的值。 此参数可以是单元格引用,也可以是固定值,例如“smith”或 21,000。 第二个参数是单元格搜索范围 C2-:E7,VLOOKUP 在其中搜索要查找的值。 第三个参数是单元格范围内包含所查找值的列。 第四个参数可选。 输入 True 或 False。
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016