Share your file with others. To invite other people to access your PowerPoint file and collaborate, take these steps: With the presentation open, select the Share button in the top right corner of the ribbon. If you have not yet stored your presentation to OneDrive or SharePoint in Microsoft 365, a message will direct you to do so.

Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

Create stunning social posts and graphics with Microsoft Designer Let your creativity shine with our new AI-powered graphic design app. Simply type in your ideas to get one-of-a-kind designs and helpful suggestions to meet your needs.

Remove all hyperlinks at the same time. If you're using Word, Outlook, or Excel, you can remove all hyperlinks in a file by using a keyboard shortcut.

When the values in a chart vary widely from data series to data series, you can plot one or more data series on a secondary axis. A secondary axis can also be used as part of a combination chart when you have mixed types of data (for example, price and volume) in the same chart.

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.

Microsoft Edge 是 Microsoft 推荐的浏览器. Windows 8.1不再支持 Internet Explorer 11。 相反，我们建议切换到 Microsoft Edge。 Microsoft Edge 是为了给你带来最好的上网体验而建立的，让你在浏览网页时有更多自主性，并获得更多隐私保护。

中国的身份验证方法. 中国仅提供有限的身份验证方法。 用户可以将 Authenticator 设置为在其设备上接收可用于验证其身份的验证码，而不是使用推送通知进行双重验证。

Learn more about simple formulas. All formula entries begin with an equal sign (=).For simple formulas, simply type the equal sign followed by the numeric values that you want to calculate and the math operators that you want to use — the plus sign (+) to add, the minus sign (-) to subtract, the asterisk (*) to multiply, and the forward slash (/) to divide.

Edit or update a date field. If you selected Update automatically when inserting the date, you'll see a faint gray box when you rest your mouse pointer over the date. This means you've inserted a field that you can change or update. To edit the date, click the gray box, type a new date, and then click outside the box.