OK, then what you need is two separate Outlook profiles, each with a
different email account. This will create two different Personal Folders
(.PST) files - 'Control Panel|Mail|Show Profiles|Add'. Backing up is a
simple matter of making a copy of each .PST file on some regular basis; be
sure Outlook is closed when doing this. Should you need to restore, open
the copied .PST file using 'File|Open|Outlook Data File', drag back anything
you need and drop it into the default .PST file for that profile.
Hal

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Hal Hostetler, CPBE -- hhh@kvoa.com
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On May 5, 2:47 pm, "Hal Hostetler [MVP P/I]" <h...@kvoa.com> wrote:
> Does "both data sets" mean that you have two different email accounts, one
> for each machine, or the same email account that you access from two
[quoted text clipped - 30 lines]
>
> - Show quoted text -
Two different email accounts, one on each machine. The goal is one
Vista machine running Outlook 2007 with both email accounts contained
within, but not melded into the same inbox/folder structure.