- With Microsoft's free Excel Viewer, you can open, view, and print Excel workbooks, even if you don't have Excel installed. You can also copy data from Excel Viewer to another program. However, you cannot edit data, save a workbook, or create a new workbook.
- Microsoft's free Word Viewer lets you view and print Microsoft Word documents on a computer that does not have Microsoft Word installed.
As far as I know, there is no version of these for the Macintosh operating systems.