Actions
AlternateRecipientAllowed
Application
Attachments
AutoForwarded
BCC
BillingInformation
Body
Categories
CC
Class
Companies
ConversationIndex
ConversationTopic
CreationTime
DeferredDeliveryTime
DeleteAfterSubmit
EntryID
ExpiryTime
FlagDueBy
FlagRequest
FlagStatus
FormDescription
GetInspector
HTMLBody
Importance
LastModificationTime
Links
MessageClass
Mileage
NoAging
OriginatorDeliveryReportRequested
OutlookInternalVersion
OutlookVersion
Parent
ReadReceiptRequested
ReceivedByEntryID
ReceivedByName
ReceivedOnBehalfOfEntryID
ReceivedOnBehalfOfName
ReceivedTime
RecipientReassignmentProhibited
Recipients
ReminderOverrideDefault
ReminderPlaySound
ReminderSet
ReminderSoundFile
ReminderTime
RemoteStatus
ReplyRecipientNames
ReplyRecipients
Saved
SaveSentMessageFolder
SenderName
Sensitivity
Sent
SentOn
SentOnBehalfOfName
Session
Size
Subject
Submitted
To
Unread
UserProperties
VotingOptions
VotingResponse
' Can use unused fields (such as Billing Information) to store whatever info you desire.