Go to the tab or screen you would like to filter.
Click the Filter icon.
Click Add Another Filter Column.
Choose a Level.
a. Equals To
Shows results that exactly match the value entered.
b. Not Equals To
Shows results that do not match the value entered.
c. Is Null
Shows records where the selected field is blank or has no value.
d. Is Not Null
Shows records where the selected field contains a value and is not blank.
Click Apply to view the filtered results.