How to arrange 2nd column according to 1st column?

In my excel file it's something like this

Name Specification

Product1 17"Screen
Product1 128 RAM
Product2 256 RAM
Product2 Screen Protector
Product1 40 GB Hard Disk
Product1 121 Keys
Product1 Intel Mouse
Product2 15"Screen
Product2 Charger
Product2 Headphones
Product1 15"Screen
Product2 256 RAM
Product3 Screen Protector
Product4 Charger
Product5 Headphones

......and so on....for 1000's of products....

I want to arrange all the Specifications according to the products
like this:

Product1 15"Screen
............ 256 RAM
............ Screen Protector
............ Charger
............ Headphones


Product2 17"Screen
............ 128 RAM
............ Screen Protector
............ Charger
............ Headphones

PLEASE EXPLAIN ME WHAT TO DO STEP BY STEP
PLEASE HELP...It's really URGENT...