-- Since you're on a Mac, please close and re-open the filled out Excel file. 
-- When you re-open ignore notifications about macros and leave your macros disabled. 
-- In the Excel file click Save As and select TXT (tab delimited) as the file type. 
-- Save this Windows Formatted Text file to your desktop. 
-- Go back to the open Excel file. 
-- At the top of the page, click the link in Step 2 to open the validation page. 
  
-- On the validation page, click the button to search for a file and select the Windows Formatted Text (.txt) file from your desktop as the file for validation. 
-- Enter in the rest of your contact info and click Validate. 
-- Review the proposal summary and if correct click the Submit to Agency button.