To download an Enrichment file from Data Cleaning in Salesforce, please follow the below steps. 

1. In the Salesforce dashboard, when you scroll to the bottom of the page you will see a list of your Data Cleaning jobs. 
2. You can use the search function to search for a specific job. 
3. On the job that you want to download the enrichment file of, click View Details 
4. Click on Download Enrichment File 
5. The Excel file will be saved to your downloads