If you're not sure which particular software version you are using, try choosing Help / About ... from the main menu. For example, in Microsoft Access 2003 this option looks like this:
The menu option looks similar in other Microsoft applications
Alternatively, if you have the symbol shown below at the top left corner of your screen, you are almost certainly using Office 2007:
The symbol of Office 2007
Make sure that you don't confuse your operating system with your programmes. For example, you may be working on a Windows 2003 computer, but using Microsoft Office 2007, or using Windows Vista to run Office 2003.
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