“Man invented fire here”

I’ve done a bit of programming over the years, and I’m currently working with a Visual Basic 6 (VB6) code base.  I’ve found the following quotation so true:

It is a weird thing though if you’ve noticed that for very old applications, you know, I feel like for some of them you often [...]

So Outlook 2003 and 2007 store the email account details there.

Which you need to know BEFORE you rebuild your PC.  (So you can take a backup copy of it).

Not that obvious until you need to know where to find it: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676