Messy Excel data can be a huge time-waster and ... Select the column that you want to split and head to Data -> Split to ...

To get started, open the Excel Sheet in which you would like to split a single column into multiple columns. Then, go to the ‘Data’ tab and select the ‘Text to Columns’ section.

Thankfully, Excel makes merging and splitting cells ... inconsistent or cause problems when importing and exporting data. To split the cells, start by selecting the merged cells on the sheet.