Numbers that are stored as text in Excel can cause unexpected results. You need to convert numbers stored as text to numbers. Here's how!

Read: How to combine text from multiple cells into one cell in Excel How do I convert text to numbers in Excel? Once you paste the text (containing numbers) in the cell, you can change the cell ...

Converting empty cells means that they will be formatted as text if you enter data into them in the future. Navigate to the "Number" group within the "Home" tab in Excel.