If the Encrypt contents to secure data check box is selected, you have to have the certificate that was used to encrypt the file or folder to be able to open it. In this situation, you should obtain the certificate from the person who created or encrypted the file or folder, or have that person decrypt the file or folder.

Microsoft 365 包括 Lync，可让您获得即时消息 (IM)、音频和视频对话以及 Lync 会议功能。要下载 Lync，请登录到 Office 365，然后在页面顶部单击“设置” >“Office 365 设置”>“软件”>“Lync”。 使用 Lync，您可以：

如果上述步骤都不能修复你的蓝牙问题，请使用 Windows 反馈中心报告错误。 这可帮助 Microsoft 确定此问题的根本原因。

Get from External Data Source. Get from Data Model. Use this option if your workbook contains a Data Model, and you want to create a PivotTable from multiple tables, enhance the PivotTable with custom measures, or are working with very large datasets.. Get from Power BI. Use this option if your organization uses Power BI and you want to discover and connect to endorsed cloud datasets you have ...

Note: If you installed OneNote before you install and activate Microsoft 365 or Office 2019, then the end-user license that appears in OneNote will display as “Home and Student.”As soon as you’ve activated your edition of Microsoft 365 or Office 2019 and then restart OneNote, your license will be applied to OneNote, even though the default license for it may still be displayed as “Home ...

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1. On your computer keyboard, press the Windows key and R at the same time to open the Run dialog box.

If you selected the Show icon on my profile check box but the icon still isn’t displaying, sign out of the device where you have the issue and then sign back in. On a PC, you may also be required to restart the app: Start Task Manager, choose the app that’s running (Game Bar or Xbox app), select End task, and then restart the app.

提示: “会议” 视图允许你快速查看当天即将召开的会议，而无需转到日历。 如果会议是由公司内部的组织者设置的，则甚至可以直接从“ 会议 ”选项卡加入 Lync 会议。 在 Lync 主窗口中，单击“ 会议 ”选项卡，然后右键单击要加入 Lync 会议。

Download our Formulas tutorial workbook. We've put together a Get started with Formulas workbook that you can download. If you’re new to Excel, or even if you have some experience with it, you can walk through Excel’s most common formulas in this tour.