Yes, you can definitely round a date to the 1st of the next month in Microsoft Excel. Here are the steps to do so:

1. Enter the date in a cell in the format "mm/dd/yyyy".
2. In the cell where you want to display the eligibility date, enter the following formula:
   Code:

   =DATE(YEAR(A1),MONTH(A1)+2,1)

3. Replace "A1" with the cell reference of the date you entered in step 1.
4. Press enter and the eligibility date will be displayed as the 1st of the month, two months after the date you entered.

For example, if you entered the date "05/15/2021" in cell A1, the formula would be and the eligibility date would be displayed as "07/01/2021".