1. Starting from Your Sales List, Click on 'Manage Columns'
2. To Freeze a Column, Make Sure It's Not Above Any Frozen Line and Click Over the Padlock Icon
3. To Unfreeze a Column, Make Sure It's Above the Frozen Line and Click Over the Padlock Icon
4. Click on 'Done'
5. Only Locked Colums Will Be Steady or Freezed
A thicker line will now sepparate the freezed columns and the unfreezed ones




