Start the DataMigrationUtility.exe application that is included in the Dynamics 365 SDK under SDK | Tools | ConfigurationMigration.
Click on Create schema, then Continue:
On the login screen, click on Login and enter your credentials.
On the create configuration schema, select the solution, entities, and attributes you would like to create a schema for, and then click on Save and Export. You can include more than one entity:
On the export dialog, give your XML file a name and navigate it in your preferred location, and then click on Save.
When prompted with a dialog asking you to export the data, click on Yes.
Click on ... next to the Save to data file field and enter a name for the data zip file, and then click on Save.
In the export data screen, click on Export Data.
Click on Exit after the export is complete.
On the main page of the Configuration Migration utility, click on Import data, followed by Continue.
Log in as per step 3 to your destination instance.
Once logged in, click on ... next to the Zip file text field and select the data zip file created in step 8 and then click on Import Data.
