This forum is littered with people not doing so. Please keep the email address and password safe. My Account - Office Store at any time in the future. My Account - Office Store you will need the email address and password for the Microsoft Account you used to setup your office. Doing this creates an Office Account which you will be able to access at: Office Setup The most important thing is to make sure that you use a Microsoft Account during the process, that is, an email address and password for a Microsoft Account. If you have purchased Office 2013 and have been provided with a 25 character Key Card you can install your office at: Just be clear so far as documents etc are concerned they are untouched by installing Office 2013. I still have Outlook 2003 on my old laptop. I could still use both versions of Outlook. I did not loose anything and all my emails and contacts were transferred (Copied) from Outlook 2003 to Outlook 2013. I had Office 2003 and installed Office 2013. You cannot uninstall Outlook 2013 so you should uninstall Outlook 2003,īut not before you have installed Office 2013. Both offices can run side by side, other than Outlook which can cause problems. You do not upgrade Office 2003 to Office 2013.

Microsoft office 2003 upgrade