When adding a new visual to a Power BI Dashboard that does not exist on a report, what is the first step to take?

To add a new visual to a Power BI Dashboard that isn't available in an existing report, the most effective first step is to select "Ask a question about your data." This feature utilizes the Q&A functionality in Power BI, allowing users to type in natural language queries to create visuals based on their data. By doing this, you can quickly generate insights and visualizations tailored to specific questions, enhancing the interactivity and analytical capabilities of the dashboard.

This approach is particularly useful for users who may not be familiar with the dataset's structure or who are seeking to explore data dynamically. Once the visual is created based on the query, it can be easily pinned to the dashboard for further analysis and immediate access, creating a seamless workflow in Power BI.

While options such as opening the File menu, selecting Add a tile, or opening See Related Content may also be part of the process in different contexts, they do not directly facilitate the immediate creation of a new visual based on user queries like the Q&A feature does.