¿What property of mailitem can be used like primary key?

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JorgeDario

New Member
Outlook version
Outlook 2010 32 bit
Email Account
POP3
What property of mailitem can be used like primary key?
 

JorgeDario

New Member
Outlook version
Outlook 2010 32 bit
Email Account
POP3
Thanks Diane!, however, is not useful when the MailItem is changed to another folder, because it changes
 

Michael Bauer

Senior Member
Outlook version
Outlook 2010 32 bit
Email Account
Exchange Server
There's no perfect solution. The EntryID is unique but changes. The SearchKey doesn't change but isn't guaranteed to be unique as it's copied, too, if you copy the item. This also applies to any ID you'd create yourself.
 

Diane Poremsky

Senior Member
Outlook version
Outlook 2016 32 bit
Email Account
Office 365 Exchange
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