![what is lowercase r in excel trendline what is lowercase r in excel trendline](https://www.howtogeek.com/wp-content/uploads/2019/07/trendline-formatting-options.png)
The default Linear trendline will be pre-selected automatically. This will open the Format Trendline pane, where you switch to the Trendline Options tab to see all the trend line types available in Excel and choose the one you want.
The default Linear trendline will be pre-selected automatically. This will open the Format Trendline pane, where you switch to the Trendline Options tab to see all the trend line types available in Excel and choose the one you want.