They are stored in the view - it's possible the view changed when you shut
down. I recommend copying the view to a new name so that it can't get reset
as easily.

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Diane Poremsky [MVP - Outlook]
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> In Outlook 2002 SP3, on more than one occasion, all the rules that I set
> up
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> I'm pretty sure I have backups of all the files that Outlook uses, but I'm
> just not sure which one would contain the calendar coloring rules.