You will be using 32-bit Phil but you should find this if you go igo in to System and General. 64-bit for Windows 7. ----- Original Message ----- From: Phil Roberts To: access-uk@xxxxxxxxxxxxx Sent: Sunday, November 06, 2011 5:35 PM Subject: [access-uk] 32 bit or 64 bit Hi List could someone please explain how I find out which system I am using? I have looked in System and properties but can't find any clarification. I am using XP. Phil Roberts