Excel 2003 :: Merging Specific Data From Two Spreadsheets Into One

I have two Spreadsheets on Excel 2003, one provided by a service supplier (i), and one from my own system (ii).

I need a macro attached to spreadsheet ii that looks for data matches between the F column of my spreadsheet, and the C column of the suppliers. Where data matches (i.e. if cell C42 in spreadsheet ii is the same as cell F23 in spreadsheet i) it transfers the contents of the A column of spreadhseet i and places it in the corresponding cell in the C column of spreadsheet ii.

Example 1 : In spreadsheet i cell C20=BN213YD. In spreadhseet ii cell F55=BN213YD. Therefore, the macro takes the contents of cell A20 in spreadsheet i and places it in cell C55 of spreadheet ii

Example 2 : In spreadsheet i Cell C75 = TN142XS. In spreadsheet ii this data is not found. The macro therefore takes no further action.

Basically, the suppliers spreadsheet has less information per row, but more entries overall. My spreadsheet is lacking a lot of suppliers references, but has more comprehensive information elsewhere. Until now i have been doing a manual search of the postcodes between the spreadsheets and rectifying them manually, but this is taking longer and longer as the spreadsheets grow.