1. About Modify List
Use the Modify List option to quickly and easily edit text on a list page for any field that is editable. This is especially useful when you need to change values for multiple records.
2. Using Modify List
1. Select a field set that includes the field you wish to edit.
2. Sort and/or filter and/or search to find the record(s) that you wish to change.
3. Click Options -> Modify List
(the editable fields will be shown with a blue pencil)
4. Click the blue pencil to turn on editing mode.
5. Change the data
6. Click the green check to save or the red x to cancel.
7. Click ok to clear the warning
8. Click Options -> Modify List to turn off the Modify List tool
Resources: