When you delete an online-only file from your device, you delete it from your OneDrive on all devices and online. You can restore deleted files and folders from your OneDrive recycle bin on the web for up to 30 days for items stored in OneDrive personal (when you're signed in with a Microsoft account), or for up to 93 days for items stored in OneDrive for work or school or SharePoint in ...

注意. 有关双重验证和 Facebook 帐户的详细信息，请参阅什么是双重身份验证及其工作原理？ 添加 Amazon 帐户. 可以通过启用双重验证，然后将帐户添加到应用来添加 Amazon 帐户。

计算机连接到投影仪且用户启动幻灯片放映 时，演示者视图显示在计算机屏幕上，投影仪屏幕上只显示幻灯片。 使用“演示者视图”，用户可在演示时查看备注，而观众只能看到幻灯片：

Add sites to your favorites in the new Microsoft Edge :. Add the current page from the address bar. Open Microsoft Edge and go to the site you want to add to your favorites.

Choose from a list of standard headers or footers, go to the list of Header or Footer options, and select the header or footer that you want. Or, create your own header or footer by selecting Edit Header or Edit Footer.

回复批注. 在批注中，单击“答复”按钮。 或单击批注，然后在“审阅”选项卡上，单击“新建批注”。

移动或复制单元格和单元格内容 文章; 更改 Excel 中的列宽或行高 文章; 查找或替换工作表上的文本和数字 文章; 合并和撤消合并单元格

From the Start menu or apps list, press and hold (or right-click) an app, then, if available, select Pin to taskbar .

Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.

Use a Search Folder. Messages that you flag appear automatically in the For Follow Up Search Folder. If the folder was deleted, you can re-create the Search Folder. On the Folder tab, in the New group, click New Search Folder.