A free open source alternitive to Microsoft Office, it supports all of Microsoft Offices major file formats.
And mimics all of Offices major features.
Open office is also smaller and mor reliable than Microsoft Office.
when you see your unsuspecting friend with his hands at his sides, you walk up to him and yell Open Chest! and you punch him in the chest as hard as you can..CAUTION! usually results in impaired breathing and chest pains for a few hours.