Yes, I can help you with that. Here's how you can save an Excel file in .prn format and ensure that the second column of numbers is right-aligned in the output file:

1. Open the Excel file that you want to save in .prn format.
2. Click on "File" in the top left corner of the screen.
3. Click on "Save As" in the drop-down menu.
4. In the "Save As" dialog box, click on the drop-down menu next to "Save as type" and select "PRN (*.prn)".
5. Choose the location where you want to save the file and give it a name.
6. Click on the "Save" button.
7. In the "Text Import Wizard" dialog box that appears, select "Delimited" and click on "Next".
8. In the next screen, make sure that "Tab" is selected as the delimiter and click on "Next".
9. In the next screen, you can choose the format for each column. For the second column of numbers, select "Text" as the format and click on "Finish".

The file will now be saved in .prn format with the second column of numbers right-aligned.