CECS and Supporting Documents
To open Microsoft Office Excel 2007 .xlsx or .xlsm files with Microsoft Office Excel 2003, Excel 2002, or Excel 2000, you need to install the
Microsoft Office Compatibility Pack for 2007 Office Word, Excel and PowerPoint File Formats and any necessary Office updates. By using the Compatibility Pack for the 2007 Office system, you can open, edit some items, and save Office Excel 2007 documents in previous versions of Excel.
If you have questions regarding the CECS and Supporting Documents please