The data in your reports comes from a data source. This page shows you how to add new and existing data sources to your reports.

## Add data to a new report

When you first create a new report, you'll be asked to add data to it. You can create a new embedded data source or add an existing data source:

1. [Sign in to Data Studio.](https://datastudio.google.com)
2. Click ![](https://docs.cloud.google.com/static/data-studio/images/rainbow-plus-2019-06-26.png) **Create** , and then select **Report**.
3. The **Add data to report** menu appears, which includes two tabs:
   - The **Connect to data** tab lets you create a new data source.
   - The **My data sources** lets you add an existing data source.

### Create or embed a new data source

1. In the **Connect to data** tab, select the type of data that you want to connect to or embed.
2. Select the specific dataset and provide your authorization, if necessary.
3. Click **Add**.

The new data source is embedded in your report.

### Add an existing data source

1. In the **My data sources** tab, select the type of data that you want to connect to or embed.
2. In the bottom right, click **Add**.

The report editor appears, and a chart connected to your data source is placed on the canvas.

## Add data to an existing report

You can add more data sources to existing reports with the **Add data** button:

1. [Edit your report](https://docs.cloud.google.com/data-studio/edit-a-report).
2. In the toolbar, click **Add data**.
3. Follow the steps shown previously to select an existing data source or to create a new embedded data source.

## Create a reusable data source

Data sources that you create from the home page can be used across multiple reports. To create a reusable data source, follow these steps:

1. [Sign in to Data Studio.](https://datastudio.google.com)
2. Click ![](https://docs.cloud.google.com/static/data-studio/images/rainbow-plus-2019-06-26.png) **Create** , and then select **Data source**.
3. Select the type of data that you want to connect to or embed.
4. Select the specific dataset and provide your authorization, if necessary.
5. In the upper right, Click **CONNECT**.
6. In the page that appears, you'll see the list of fields that are provided by this data source.

To add this data source to a report, in the upper right, click **CREATE REPORT**.