File Extension .XLS
An .XLS file is a spreadsheet or worksheet created by either of Microsoft's Excel or Works spreadsheet applications. The Microsoft Viewer can be used to view the file if it is an Excel spreadsheet, otherwise it is possible to use the Excel application or any other compatible spreadsheet application to view and edit these files. With Works for Windows XLS files it is necessary to have a relevant version of Works installed on your computer. If you are having problems opening a XLS file simply click the green button below to completely repair file extension .XLS associations in the Windows Registry - Then OPEN your File!