Recover lost or deleted files - Microsoft Support
Recover lost or deleted files. Windows 7. Note: If you've recently updated Windows 10 and are having problems finding files, see Find lost files after the upgrade to Windows 10. If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try ...
Share things with nearby devices in Windows - Microsoft Support
On the PC you’re sharing from, select Start , and then select Settings > System > Nearby sharing .Choose whether you’d like to be able to share and receive files with everyone, or only your own devices (where you are logged in with your Microsoft account).
Set your work hours and location in Outlook - Microsoft Support
Microsoft 365 helps you manage and share your work schedule. New features allow you to specify more details about your work schedule: from where you’re working (remotely or in office) and whether you work different hours on different days. In addition, you’ll be able to schedule meetings with others based on their work location and view work location on people’s contact cards.
适用于:
Outlook 网页版, Microsoft Teams, 新的 Outlook for Windows
如何更正 #VALUE! 错误 - Microsoft 支持
Excel 中的公式概述. 如何避免损坏的公式. 如果公式中包含具有不同数据类型（文本和数值）的单元格，Excel 会显示 #VALUE! 错误。. 如果 公式引用的一个或多个单元格中包含文本，而不是数字，并且使用标准数学运算符（+、-、* 和 /）对不同数据类型执行加减乘除 ...
适用于:
Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App
如何打开通知中心和快速设置 - Microsoft 支持
若要打开设置，请执行下列任一操作：. 选择电池、网络或音量图标以打开"快速设置面板。. 按徽标 Windows + A。. 若要打开通知中心，请执行下列任一操作：. 在任务栏中选择日期和时间。. 在触摸屏设备上，从屏幕的右侧边缘向内轻扫。. 按徽标 Windows + N。. 如何 ...
OneDrive で削除したファイルまたはフォルダーを復元する ...
ヒント: 個人用アカウントで OneDrive を使用している場合は、[すべてのアイテムを復元する] を選択してごみ箱内のすべてのアイテムを復元できます。このオプションは、職場または学校 OneDriveでは使用できません。 ごみ箱を確認する前に Personal Vault のロックが解除されている場合、Personal Vault ...
适用于:
OneDrive for Business, SharePoint Server 订阅版, SharePoint Server 2019, Office 商业版, OneDrive (工作或学校), Office.com, OneDrive (家庭或个人), 由世纪互联运营的 OneDrive (工作或学校), OneDrive for Mac, Windows 版 OneDrive
COUNTIFS 函数 - Microsoft 支持
COUNTIFS 函数语法具有以下参数：. criteria_range1 必需。. 在其中计算关联条件的第一个区域。. criteria1 必需。. 条件的形式为数字、表达式、单元格引用或文本，它定义了要计数的单元格范围。. 例如，条件可以表示为 32、">32"、B4、"apples"或 "32"。. criteria_range2 ...
适用于:
Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App
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
How to check if your email address is a Microsoft account
Go to the Microsoft account sign-in page at https://account.microsoft.com and enter your email address. If you see a message that says "We couldn't find an account with that username." or "That Microsoft account doesn't exist", then the address you entered is not a Microsoft account. If you believe it should be: The account may have been closed.
适用于:
Microsoft 帐户仪表板
Use Internet Explorer in Windows 10 - Microsoft Support
If you can't find Internet Explorer on your device, you'll need to add it as a feature. Select Start > Search , and enter Windows features. Select Turn Windows features on or off from the results and make sure the box next to Internet Explorer 11 is selected. Select OK, and restart your device. Internet Explorer 11 support ended on June 15, 2022.