Excel 2007 Microsoft launched a series of file formats to substitute the .xls. Almost every new format carries different uses and functionality. You will need to become familiar with the different formats, especially if you frequently work with Excel large files.
You also have known that Excel 2007 has totally changed its menu structure and interface. It is one of the most significant transformations in any previous version. Nevertheless, it will lead you to some headache when you are upgrading from previous version. It is because the menu structure and ribbon have totally changed. In which you think a command might possibly be moved somewhere else. You will find new file formats. It is certainly not .xls any more, you will find the new .xlsx, .xlsm, .xlsb, and also .xlam file types.
Let’s get familiar with the several types of file formats that Excel uses and understand how to switch files from one extension to another. (more…)