This quick tutorial shows you how to use multiple filters to get the targeted list that you want.

How to merge / combine multiple CSV lists together.  This makes things much faster when it comes to cleaning your list than having to clean multiple lists.

CSV Merging tools
Online Merging Tool http://www.filesmerge.com/merge-csv-files
Online Merging Tool http://merge-csv.com/
Here’s how to do it in Command Prompt http://www.tomnash.eu/how-to-combine-multiple-csv-files-into-one-using-cmd/
CSV merge and split program http://blogs.perficient.com/microsoft/2011/06/csv-utility-to-split-or-combine-csv-files/

Cleaning your lists with Excel.  Quick instructions on how to remove duplicates, how to remove multiple rows that have information in a cell that you don’t want.