Convert OpenOffice.org Calc spreadsheets into a Microsoft Excel file to take advantage of Excel's built-in tools. OpenOffice.org spreadsheets default to a .xsc file extension, which certain ...

To automatically open Word files in OpenOffice, change the default program to OpenOffice on either Windows 8 or Windows 7 workstations.

OpenOffice 4.0 has a single installer that adds most of the Windows components you need and walks you through making it the default software for Word, Excel and PowerPoint files.