I have a data file which contains a column named Amount. The sum of my Amount is different when I use Excel and when I use Alteryx. Turns out the last row is missing when I open it in Alteryx. Here's the last few rows of my data:

The left column is the data when opened in Excel, and the right column is the data when opened in Alteryx. What happened? How could Alteryx lost the last row like that?
I literally only opened the data:

What do I do? How do I get the last row of data? This is messing up my calculations 