hmmm... well just someone asked me about getting a software made about manipulating Microsoft Excel Files... and i was like, yes it can be done, and with the cloud fever shouting over my head, it had to be my favorite language PHP to solve this, so STEP 1... reading .XLS or .XLSX files.... i started working with an open source library called the PHPExcel.... i am through step i built a .XLSX reader that can display all excel files (functionality just for Excel 2007+, planning to add for legacy versions too...) in an html page... let the STEP 2 begin....