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Open this Excel file. Update the Supervisor Number column to the new one. Delete all other columns except for these. Save the worksheet to your computer as a .csv file.
Employee Number
Position #
Supervisor Number
In USPS, dropdown Utilities, and click on Mass Load.
Next to USPS Load File, click Choose File and select the .csv Excel file from your computer.
Next to Importable Entities, choose Position.
Click Load. You will see the results of the load next to Import Results on that same page. If no errors occur, you’ve successfully updated your supervisor.