使用 Windows 更新 修复电脑问题 - Microsoft 支持
Windows 更新建议在更新安装失败后重新安装. 如果更新因与系统文件或组件相关的问题而无法安装，可能会在“设置”中的“Windows 更新”页中看到以下消息：. 重新安装当前版本的 Windows 以修复系统文件和组件。
Look up values with VLOOKUP, INDEX, or MATCH - Microsoft Support
Looks up "B" in row 1, and returns the value from row 3 that's in the same column. Because an exact match for "B" is not found, the largest value in row 1 that is less than "B" is used: "Axles," in column A. 5 =HLOOKUP("Bolts", A1:C4, 4) Looks up "Bolts" in row 1, and returns the value from row 4 that's in the same column (column C). 11
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
January 9, 2024—KB5034122 (OS Builds 19044.3930 and 19045.3930)
Windows 10, version 2004 and Windows Server, version 2004 update history; End of service statement; December 14, 2021—KB5008212 (OS Builds 19041.1415, 19042.1415, 19043.1415, and 19044.1415)
Learn about encrypted messages in Outlook.com
Currently, Outlook.com uses opportunistic Transport Layer Security (TLS) to encrypt the connection with a recipient’s email provider. However, with TLS, the message might not stay encrypted after the message reaches the recipient’s email provider. In other words, TLS encrypts the connection, not the message.
Applies To:
Outlook.com
为升级 Windows 11 准备就绪 - Microsoft 支持
安装 Windows 11. 在针对你的特定电脑测试和验证 Windows 11 升级后，Windows 更新将指示它已准备好安装。 若要检查 Windows 11 是否已为你的设备准备就绪，请转到“开始” “设置” >“更新和安全性” >“Windows 更新” ，然后选择“检查更新”。 如果升级适用于你的设备，并且想要继续，请下载并安装它。
How to recover a hacked or compromised Microsoft account
If you have a good antivirus program installed, make sure it's up to date and then do a full scan of your system. If you don't have an antivirus app installed on your PC, Microsoft offers some solutions if you're running Windows 8.1 or Windows 10/11. If you're running Windows 8.1 or Windows 10/11, you already have Windows Defender.
Paramètres POP, IMAP et SMTP pour Outlook.com
Il se peut qu’une erreur de connexion s’affiche si votre compte Outlook.com est configuré en tant que compte IMAP dans plusieurs clients de courrier. Nous travaillons au développement d’un correctif et mettrons à jour cet article lorsque nous aurons plus d’informations. Pour le moment, essayer la solution de contournement suivante :
Applies To:
Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook Web App for Office 365, Outlook Web App for Office 365 Small Business, Outlook on the web, Outlook.com, Outlook Web App for Office 365 operated by 21Vianet, Outlook Web App Light, New Outlook for Windows, Outlook for Android, Outlook Mail for Windows 10, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019, Outlook Web App
Windows で PC をセーフ モードで起動する - Microsoft サポート
pc が再起動すると、オプションの一覧が表示されます。 4 を選択するか f4 キーを押し、セーフ モードで pc を起動します。 または、インターネットを使用する必要がある場合は、[ 5] を選択するか、f5 キーを押して [セーフ モードとネットワーク] を選択します。
Find and open File Explorer - Microsoft Support
File Explorer in Windows 11 helps you get the files you need quickly and easily. To check it out in Windows 11, select it on the taskbar or the Start menu, or press the Windows logo key + E on your keyboard.. How to use File Explorer:
Phone Link requirements and setup - Microsoft Support
1. Sign in with your Microsoft account. You will be prompted to Sign in with Microsoft account. If you have an existing Microsoft account on your mobile device then you will be asked to confirm your account, then click Continue.. If you don't have an existing Microsoft account on your mobile device then you will be asked to sign into your account or create a new one, then click Continue.