To apply filter:
1. Select the column or range of cells to be filtered.
2. Click Data> Filter or use the Filter icon from Toolbar or right click on the selected range and select Filter from the context menu.
3. Choose the required filtering criterion. The available options include the following:
Cell value
Cell color
Text color
Once the filter is applied, you'd see a drop down on the cell. Click on it, and filter only what's needed.