Milly Staples [MVP - Outlook] What@ever wrote:

Not if they are 2 Exchange servers. It sounds like you are accessing
2 Exchange accounts. The only way to do it is to continue doing what
you are doing or have separate profiles for each Exchange account,
but you cannot have both profiles open at the same time.

Couldn't he access one of the Exchange servers with an IMAP account?
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Brian Tillman [MVP-Outlook]