Excel: Data Matching

I have 3 Excel files. 1) The master file COLUMNS: ID, CellPhone Name, DataID1, DataID2 2) data set 1: COLUMNS: ID, CellPhone Name 3) data set 2 COLUMNS: ID, CellPhone Name What you'll need to do is find each cell phone name from the master file in the data files, get the ID used in the data files, and add both ID's to the master file. I need this done manually because many of the names are similar but do not match exactly. For example "Apple iPhone 4S" vs. "iPhone 4 S"... it's the same, but the computer thinks they are different. So I need you to help me match them. There is about 300 items in the master file.