# Configuring Connection Settings
Before using a data source, the connection to it must be configured by creating a connection string. To create the connection string for the data source which can then be used as a Source or Target, follow the instruction below:
1. Select Connections from the Settings menu.
2. Click the **New** toolbar button to select a connector and enter a name for the data source.
3. Configure the properties of the connection string by entering values when prompted and selecting available options.
4. Test the connection.
5. Use the **Save** toolbar button to save the connection definition.
The following toolbar buttons are available on the property grid for completing tasks:
| Toolbar button | Option | Description |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | --------------------- | ------------------------------------------------------------------------------------------------------------------------------------------- |
| 
| Collapse | Collapse all categories in the property grid |
| 
| Expand | Expands all categories in the property grid |
| 
| Defaults | Returns to default category settings |
| 
| Clear | Clears the properties and returns to default settings |
| 
| Copy | Copies the connection settings from a different data source of the same type |
| 
| Settings & Parameters | Displays the Settings & Parameters dialog for configuring additional data source options and defining and executing OAuth setup procedures. |
| 
| Test Connection | Tests the connection and displays a message indicating the result. |
| 
| Help | Displays help information |