A vCard is nothing but a simple text file. You can check this out yourself
by saving the .vcf file to disk and opening it with Notepad.
What you see on the Activities page are the mail messages in ***your own***
folders that are related to that contact. Someone using the same vCard will
see the mail messages in ***their*** folders. The lists are built
dynamically.

Signature
Sue Mosher, Outlook MVP
Author of
Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> The Vcard "Activities" tab reveals all past emails etc and the contents of
> these are revealed by double clicking.
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>
> PS Why isn't this issue explained in the Help section of Outlook????