Document Suites Compatible w/ Microsoft Office
If you find that you'd rather not purchase or upgrade to the latest version of Microsoft Office, check out these MS-compatible tools.
Google Docs is an online tool that lets you create and store text, spreadsheet, and presentation documents online for safekeeping and collaboration.
OpenOffice is software that includes Writer (word processing), Calc (spreadsheet), Impress (presentation), Base (database), and Draw (graphic design) programs.
Oxygen Office Professional is an enhanced version of OpenOffice that has additional features and accessories, including templates, images, fonts, clipart, and more.
ThinkFree lets you create, view, and edit MS Office-compatible files online, plus share files, collaborate, and publish documents to your website or blog.
Zoho has several programs that could constitute an online office suite, including Zoho Writer (word processing), Zoho Sheet (spreadsheet), Zoho Show (presentation), and more.