Microsoft Word vs OpenOffice Writer
From WikiVS, the open comparison website
[edit] Cost
OpenOffice Writer is free. Microsoft Word 2007 can be purchased for about $60 from an online retailer.
[edit] File Formats
Microsoft Word format is the most well-known format for a word processing file. Both OpenOffice Writer and Microsoft Word can read and create Word files. Except when using features of the Word format that are complex and rarely-used, files will look the same on OpenOffice or on Word.
[edit] Universality
Microsoft Word is the most well-known word processing program. OpenOffice Writer is available free of charge to anyone with an internet connection. OpenOffice is included with many Linux distributions. Microsoft Office is included with many new computer purchases.