If you are converting more than one column of text to numbers, this is an excellent method to use. Select a blank cell and type 1 into it. Then press Press CTRL + C to copy the cell.

Microsoft Excel depends on data that’s stored correctly. If you receive text values that should be real numbers, use one of these methods to get you back to the real work.

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’.

Excel's Convert Text to Columns Wizard works only on one column at a time. If the data is in the first column, for example, click on the letter "A" above the column to select the entire column ...

Navigate to the "Number" group within the "Home" tab in Excel. Click the small arrow beside the "Number Format" box. Click "Text" to convert your cells to text formatting.