The following table outlines the properties that can be used to define a KQL query using a message type restriction:

The following table outlines the properties that can be used to define a KQL query using a message type restriction:
If you want to delete all contacts from a mailbox, use the following command:
Search-Mailbox administrator ' -SearchQuery "Kind:Contacts" ' -DeleteContent -Force
If you want to delete all the notes from a mailbox, use the following code:
Search-Mailbox administrator ' -SearchQuery "Kind:Notes" ' -DeleteContent -Force
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