To ignore all numbers stored as text, you need to open the Data tab and select the Text to Columns option. Then, select the Delimited option from the Convert Text to Columns wizard.

If your data includes inconsistent types, such as numbers mixed with text in the same column, this automatic step can cause ‘DataFormat.Error: We couldn’t convert to Number’.

Convert Number Cells to Text Highlight the cell or cells on your spreadsheet that you'd like to convert to text. These cells can be empty or filled.