可以从“我的帐户”门户的 “我的登录 ”页查看所有最近的工作或学校帐户登录活动。. 通过复查登录历史记录来查看以下内容，有助于检查是否有异常活动：. 是否有人尝试破解你的密码。. 是否有攻击者成功登录你的帐户以及登录位置。. 攻击者尝试访问的 ...

若要更改单元格引用的类型：. 选择包含公式的单元格。. 在 编辑栏 中，选择要更改的引用。. 按 F4 在引用类型之间切换。. 下表汇总了如果将包含引用的公式向下复制两个单元格，将两个单元格复制到右侧，则引用类型如何更新。. 在公式中使用绝对或相对单元 ...

Windows 11 Windows 10. Windows 11 lets you quickly check your network connection status. Select the Start button, then type settings. Select Settings > Network & internet. The status of your network connection will appear at the top. Check your network connection status. Check your network connection status in Windows.

Here’s how: Check in quick settings: Select the Network, Sound, or Battery icons ( ) on the right side of the taskbar, look for the Bluetooth quick setting, then select Bluetooth to turn it on. You’ll see “Not connected” if your Windows 11 device isn’t connected to any Bluetooth accessories. Check in Settings: Select Start > Settings ...

Choose number of pages to print per sheet: Printing multiple pages on a single sheet of paper is a useful technique to save paper, reduce printing costs, and create compact versions of your documents. The number of pages that can be printed on a single sheet depends on the capabilities of your printer and the printing options you choose (Example: 1, 2, 4, 6, 9 or 16 pages per sheet).

BitLocker is the Windows encryption technology that protects your data from unauthorized access by encrypting your drive and requiring one or more factors of authentication before it will unlock it.

IF 函数 - 嵌套公式和避免错误. Microsoft 365 专属 Excel Microsoft 365 Mac 版专属 Excel Excel 网页版 更多... IF 函数允许通过测试某个条件并返回 True 或 False 的结果，从而对某个值和预期值进行逻辑比较。. =IF（内容为 True，则执行某些操作，否则就执行其他操作）. 因此 IF ...

Create Windows 11 installation media. On the Windows 11 software download page , select Create tool now and follow the instructions to install Windows 11. Warning: Microsoft recommends against installing Windows 11 on a device that does not meet the Windows 11 minimum system requirements.

To sum a column of numbers, select the cell immediately below the last number in the column. To sum a row of numbers, select the cell immediately to the right. AutoSum is in two locations: Home > AutoSum, and Formulas > AutoSum. Once you create a formula, you can copy it to other cells instead of typing it over and over.

USB 回復ドライブを USB ポートに挿入します。. [スタート] を選択し、「 回復ドライブ 」と入力し、結果から [回復ドライブの作成] または [回復ドライブ] を選択します。. 管理者パスワードの入力や選択内容の確認が必要になる場合があります。. [ユーザー ...