在最新版本中，我们改进了性能和电池优化。 如果你看到异常的电量消耗，请尝试将应用更新到最新版本。 如果你在更新后仍遇到电池消耗问题，请向我们发送反馈。

Note: Before selecting New, consider selecting the check box for "Prompt a profile to be used."If this is enabled, you will get a prompt every time you start Outlook to pick which profile you want to open. This is helpful when you have multiple profiles and need to switch between them.

如果你的设备符合硬件规格，并且 Windows 11 版本已可供设备使用，则可以从 Windows 10 升级到 Windows 11。

扩展或加载项是自定义浏览器体验并为你提供更多控制权的简单工具。 下面介绍如何在 Microsoft Edge 中添加、关闭和删除扩展或加载项 。

重要: 从 Excel 版本 2005 开始，Excel 调整了计算图表中线性趋势线 R 2 值的方法，其中趋势线截距设置为零 (0)。 此调整会更正产生错误 R 2 值的计算，并将 R 2 计算与 LINEST 函数对齐。 因此，你可能会在以前的 Excel 版本中创建的图表上看到不同的 R 2 值。 有关详细信息，请参阅“图表中线性趋势线内部 ...

If you open an Office file from your recent files list via the Taskbar or the Office app, you will need to open the file as described above to enable AutoSave.. To check, hover your mouse over the recent list: Files that begin C:\Users\ in their path will not open with AutoSave, but files with https:// will.. Close and re-open the file from within the Microsoft 365 app, not the recent file list.

If either of the categories above apply to you, use the following procedures to update your browser: Update once. In the browser, go to Settings and more > Help and feedback > About Microsoft Edge (edge://settings/help).. If the About page shows Microsoft Edge is up to date., you don't need to do anything.

How do I use Microsoft Defender Offline. Save any open files and close all apps and programs.

* Some accessories and software sold separately. [1] Battery life: Surface Book 3 13.5” on base: Up to 15.5 hours of battery life based on typical Surface device usage. Testing conducted by Microsoft in April 2020 using preproduction software and preproduction configurations of Surface Book 3 13.5” Intel® Core™ i5, 256 GB, 8 GB RAM.

If you’ve opened a file with a large data set in Excel, such as a delimited text (.txt) or comma separated (.csv) file, you might see the warning message, "This data set is too large for the Excel grid. If you save this workbook, you'll lose data that wasn't loaded." To avoid losing any data that wasn’t loaded, follow these instructions.