Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
How to get help in Windows - Microsoft Support
Here are a few different ways to find help for Windows. Search for help - Enter a question or keywords in the search box on the taskbar to find apps, files, settings, and get help from the web.
Réparer la connexion à votre courrier Outlook en réparant votre profil ...
Sélectionnez Paramètres du compte > Paramètres du compte. Sous l’onglet Courrier, sélectionnez votre compte (profil), puis Réparer. Remarque : L’option Réparer n’est pas disponible si vous utilisez Outlook 2016 pour vous connecter à un compte Exchange. Suivez les invites de l’Assistant, puis redémarrez Outlook lorsque vous avez ...
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business
Get help with Windows upgrade and installation errors
To upgrade to Windows 11, you need enough space on your hard drive for the installation to take place. To view how much hard drive space is available on your computer, select File Explorer on the taskbar (known as Windows Explorer in Windows 7) or press Windows logo key + E. Then select Computer or This PC and look under Hard Disk Drives or under Devices and drives.
VLOOKUP、INDEX、または MATCH を使って値を検索する - Microsoft サポート
VLOOKUP の使用には一定の制限があります。. VLOOKUP 関数は、左から右への値のみを検索できます。. つまり、検索する値を含む列は、常に戻り値を含む列の左側に配置する必要があります。. スプレッドシートがこのように構築されていない場合は、VLOOKUP を ...
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Avoid and report Microsoft technical support scams
Avoid and report Microsoft technical support scams. Microsoft will never proactively reach out to you to provide unsolicited PC or technical support. If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your “issue” fixed, it’s better to ...
Learn about Microsoft Rewards - Microsoft Support
Microsoft Rewards doesn’t ask for a commitment or fees. It's included in your Microsoft account. Make sure you’re logged in, head to the Rewards page, and start exploring. As your points rack up, so do your opportunities to get great rewards. We make it simple to track progress toward anything you’ve got your eye on, including gift cards ...
Applies To: Microsoft account dashboard
Use the On-Screen Keyboard (OSK) to type - Microsoft Support
To open the On-Screen Keyboard. Go to Start , then select Settings > Accessibility > Keyboard, and turn on the On-Screen Keyboard toggle. A keyboard that can be used to move around the screen and enter text will appear on the screen. The keyboard will remain on the screen until you close it. Note: To open the OSK from the sign-in screen, select ...
Restart (reboot) your PC - Microsoft Support
Restart (reboot) your PC. Windows 10. Go to Start , select the Power button, and then select Restart . Select the Start button, then Power > Restart.
如何在 Windows 中设置和测试麦克风 - Microsoft 支持
请确保麦克风已连接到电脑。. 选择 "开始 >设置> 系统 > 声音"。. 在 " 输入"中,选择要测试的麦克风。. 在 "输入设置 "中,查看 对 着麦克风说话时输入音量。. 如果在说话时移动栏,则你的麦克风将正常工作。. 如果未看到栏移动,请转到测试 麦克风, 然后 ...
Change the case of text - Microsoft Support
First, insert a temporary column next to the column that contains the text you want to convert. In this case, we’ve added a new column (B) to the right of the Customer Name column. In cell B2, type =PROPER (A2), then press Enter. This formula converts the name in cell A2 from uppercase to proper case. To convert the text to lowercase, type ...
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, Excel for iPad, Excel for iPhone, Excel for Android tablets, Excel for Android phones, Excel Mobile