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 ...

Learn how to download, install, and configure Language Accessory Packs for Microsoft 365 for additional display, help, and proofing tools.

With PowerPoint for the web you create presentations right in your browser. Create and save your presentations in your OneDrive, and edit and share them online.

Note: A chart template contains the chart format and stores the colors that are in use when you save the chart as a template.When you use a chart template to create a chart in another workbook, the new chart uses the colors of the chart template — not the colors of the document theme that is currently applied to the workbook.

In a Word document, or in an email message you are writing, you can draw lines (and other shapes) to illustrate what you're saying. On the ribbon, select Insert > Shapes. (In Outlook, if you don't see the Insert tab, you're likely using the reading pane. Select Pop Out at the top of the message to open a standalone window that includes the Insert tab.)

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When you want to add a trendline to a chart in Microsoft Graph, you can choose any of the six different trend/regression types. The type of data you have determines the type of trendline you should use.

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Tip: The commands in the Tools group on the Home tab put Visio into a different state or mode, which admittedly can be confusing sometimes. Use the keyboard to conveniently switch between the Pointer Tool (press Ctrl+1) and Connector (press Ctrl+3) tools. Whatever tool you are using, such as Text Block or Connection Point, press Esc several times to return to the Pointer Tool.

What do you want to do? Add a Quick Style to a line. Change the color of a line. Make a line dotted or dashed. Change the weight of a line. Add a Quick Style to a line