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Windows sign-in options and account protection - Microsoft Support
To access your sign-in options, go to Start > Settings > Accounts > Sign-in options.. Or just select this button: Go to Sign-in options. Change or manage your password or PIN. To change your password or PIN, go to Start > Settings > Accounts > Sign-in options. Select PIN (Windows Hello), and then select Change PIN.
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.
Look up values with VLOOKUP, INDEX, or MATCH - Microsoft Support
Here's an example of how to use VLOOKUP. =VLOOKUP(B2,C2:E7,3,TRUE) In this example, B2 is the first argument—an element of data that the function needs to work.For VLOOKUP, this first argument is the value that you want to find.
适用于: Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
Outlook notifications aren't working - Microsoft Support
If you set up your notifications in Outlook, but find they're not working, check your status in Teams and check the notification settings in Windows.
适用于: 新的 Outlook for Windows
How to cancel or stop sync in OneDrive - Microsoft Support
If you want to stop a file or folder from syncing or backing up, you can pause the upload or download. See Stop syncing temporarily below for details.. If uploads or downloads with the OneDrive website are taking too long, or you selected the wrong files, they can be cancelled.
适用于: OneDrive (工作或学校), OneDrive (家庭或个人), OneDrive for Mac, Windows 版 OneDrive
Device encryption in Windows - Microsoft Support
Is it available on my device? BitLocker encryption is available on supported devices running Windows 10 or 11 Pro, Enterprise, or Education. On supported devices running Windows 10 or newer BitLocker will automatically be turned on the first time you sign into a personal Microsoft account (such as @outlook.com or @hotmail.com) or your work or school account.
Eingabeort für den Office-Product Key - Microsoft-Support
Schritt 1: Wechseln Sie zu www.microsoftstore.com, und melden Sie sich (oben rechts) mit dem Microsoft-Konto an, das Sie für den Kauf von Office verwendet haben.. Schritt 2: Nachdem Sie sich angemeldet haben, wählen Sie oben rechts Ihren Namen und dann Bestellverlauf aus.. Schritt 3: Suchen Sie den Einmalkauf von Office oder der einzelnen Office-App, und wählen Sie dann Office installieren ...
适用于: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 家庭版, Office.com
My camera isn't working in Microsoft Teams - Microsoft Support
Make sure you have the latest Windows update or Mac OS update and Teams app version installed. To check for updates in Teams, go to your profile picture in the upper-right of the Teams app then select Settings and more ... > Check for updates. Updates install in the background if they are available.
适用于: Microsoft Teams
更改桌面背景图像 - Microsoft 支持
使用 Windows 设置应用更改桌面背景和颜色。 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。
Surface 用のドライバーとファームウェアをダウンロードする ...
Surface デバイスと Windows を更新する。 最新のドライバーとファームウェアの更新プログラムをダウンロードして、Surface デバイスのパフォーマンスを維持します。 更新プログラムをインストールする前に、電源プラグを電源コンセントに差し込み、Surface のバッテリーが 40% 以上充電されている ...