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使用双重验证时，Microsoft Authenticator 应用可帮助你登录帐户。

When you start a focus session, a focus timer will appear on screen. To use additional focus tools in the Clock app, expand the focus timer to get the full view of the Clock app.

Set up slide transitions. If you want a slide show to run automatically at a kiosk, you can control when and how the slides advance. To do this, you can apply the same transition to all slides in the presentation and set the transition to automatically advance after a certain time interval.

Function name. Type and description. ABS function. Math and trigonometry: Returns the absolute value of a number ACCRINT function. Financial: Returns the accrued interest for a security that pays periodic interest ACCRINTM function. Financial: Returns the accrued interest for a security that pays interest at maturity ACOS function. Math and trigonometry: Returns the arccosine of a number

Syntax: AVERAGE(number1, [number2], ...) Tip: When you average cells, keep in mind the difference between empty cells and those containing the value zero, especially if you have cleared the Show a zero in cells that have a zero value check box in the Excel Options dialog box in the Excel desktop application. When this option is selected, empty cells are not counted, but zero values are.

Click Updates on the left side menu, then click Update All, or the Update button next to the apps that you want to update.

提示: 如果未将 Visio 列为“ 应用 & 设备”下的安装选项，则可能意味着你没有许可证。检查分配的许可证，如果你没有在指定的订阅项下看到 Visio 计划 2，请与你的管理员联系以获取帮助。如果你是 Microsoft 365 管理员，请了解如何为用户分配许可证。

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

There isn't a way to determine with absolute certainty the codec used to compress a file, but the following are your best options: To determine what codec was used with a specific file, play the file in the Player, if possible.