Click File>Import Data
2. Browse to your saved data file. Select it and click Open
3. Select whether your data has a header, the start line and how it is delimited and click Next
4. Check that all of your fields are accurately mapped and click Next
5. On your Import Wizard Step 4 of 4, check the top two boxes titled Do not merge recrods with empty merge field values and Do not merge fields with empty values
6. Check the box next to unique data that is in both your data file and already existing Imagematch job (for example, Student ID)
7. Click Finish
8. A window will appear informing you of how many records are being merged. Click OK
9. Go to File>Save Job and either save your job as a new name or Overwrite your previously saved blank job