You can load a saved list of contacts to the People Search page to continue filtering the list (or, for example, to exclude specific contacts from the new search or the entire list). Click on Show Adv...

You can load a saved companies list with up to 10K companies to the Company Search page to continue filtering the results (or, for example, to exclude the companies on the list from the search). Click...

To include two or more parameters in the same filter, first enter all of the relevant parameters in the filter. Now click on the AND button in the specific filter  Now the results include ALL of the ...

Enter the specific parameter in the relevant filter, and click on Enter. Now click on the Exclude icon on the left side of this parameter. This parameter will be displayed in the relevant filter under...