.XLS file extension

This is the basic program to work with .XLS extension

Microsoft Office Excel Viewer

Microsoft Office Excel ViewerMicrosoft Excel Worksheet

If you don’t have Microsoft Excel available in your computer you don’t have to worry, because with Microsoft Excel Viewer you’ll have the possibility to access to all the files created with Excel 2007, 2003, 2002, 2000 and 97. This program is a viewer, so it’ll allow you to see the files and print them, but it won’t allow you to edit the files created by Excel. .. (more)

The program works with the following extensions: xls, slk, xlr, xlw, iqy, oqy, rqy, xla, xlc, xlk, odc, xll, dif, xlm, csv, dqy, xlt, xlam, xltm, xltx, xlthtml and xlshtml

.XLS extension is also supported by the following programs:

Microsoft Excel Viewer

Microsoft Excel ViewerMicrosoft Excel Worksheet

With Excel Viewer 97 can open, view, and print Excel workbooks.
Bytescout XLS Viewer

Bytescout XLS ViewerBytescout XLS Viewer

View XLS, XLSX, ODS files without Excel or Open Office!

FirefoxGoogle Docs & Spreadsheets

Imports your online info and favorites from any other browser.
ThinkFree Office 3 Calc

ThinkFree Office 3 CalcMySQL Tools for

ThinkFree Office Calc

ThinkFree Office CalcMySQL Tools for

ThinkFree Calc is a new and innovative office tool.
Kingsoft Office

Kingsoft OfficeMicrosoft Excel Document

Three full featured office applications: Writer, Spreadsheets and Presentation.
Microsoft Office Excel

Microsoft Office ExcelMicrosoft Excel Worksheet

Take your skills to the next level with tables, formulas, formatting and more.