User can check the total number of records on the same page. Follow the below steps:
- Go to the "Mass File Upload" tab.
- Toggle the "Record Selection Mode" to ON.
- Choose the object from the "Select Object" dropdown against which you wish to run the query.
- Select "Advanced Search (SOQL)" as the Search Mode.
- In the query box, input your query.
- Click on "Run Query".
- An informational message will display the total number of records found.
