Insert Page X of Y. If you have a header or footer already, click or tap where you want to put the page number first. Go to Insert > Page Number.

You can use a simple formula to sum numbers in a range (a group of cells), but the SUM function is easier to use when you’re working with more than a few numbers. For example =SUM(A2:A6) is less likely to have typing errors than =A2+A3+A4+A5+A6. Here’s a formula that uses two cell ranges: =SUM(A2:A4,C2:C3) sums the numbers in ranges A2:A4 and C2:C3.

许多键可以与 Fn 键或 F Lock 键配合使用来提供两组命令。 这包括顶行的标准功能键 (F1–F12)。 标准命令（如 F3）标在键的正面。

如果选中了“在我的档案中显示图标”复选框，但图标仍未显示，请注销出现问题的设备然后重新登录。在电脑上，可能还需要重新启动应用：启动任务管理器，选择正在运行的应用（Game Bar 或 Xbox 应用），选择结束任务，然后重新启动应用。

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

Indexing the contents of your PC helps you get faster results when you're searching it for files and other things. Learn how it works. What is indexing?

Important: While SharePoint allows considerable customization of site permissions, we highly recommend using the built-in SharePoint groups for communication sites and managing team site permissions through the associated Microsoft 365 group.You can add, change, or remove permissions for an individual document or folder by following methods mentioned in Share files or folders in Microsoft 365.

To learn more, check out the Join a Teams meeting video. Join by link. All you need to join a Teams meeting is a link. Select Join the meeting now in your meeting invite to be taken to a page where you can choose to either join on the web or download the desktop app.. If you already have the Teams app, the meeting will open there automatically.

Note: If you receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step.If you don't allow the camera, you can still set up the authenticator app as described in Manually add an account to the app.

When you schedule a Microsoft Teams meeting from Outlook, a dial-in number and conference ID are included automatically. If you have PSTN conferencing enabled in Teams, they are also included.