| CalendarDeletionOptions | Defines parameters for item deletion |
| CallInformation | Phone call information |
| DateRange | Represents the date range |
| DeletionOptions | Defines parameters for item deletion |
| EWSClient | Provides access to MS Exchange Server by using Exchange Web Services (EWS). |
| ExchangeCalendarEvent | Represents the event in the user’s calendar |
| ExchangeCalendarEventCollection | Represents the collection of ExchangeCalendarEvent |
| ExchangeConversation | Represents a single conversation. |
| ExchangeDelegatePermissions | Represents the folder permissions for the delegate user |
| ExchangeDelegateUser | Represents a user who is granted access to the principal mailbox |
| ExchangeDelegateUserCollection | Represents the collection of ExchangeDelegateUser |
| ExchangeStreamedItem | Represents the item received in ExportItems response |
| ExchangeTask | Represents the exchange task information. |
| ExchangeUploadItemResult | Represents a result of updating or creating a streamed item |
| ExchangeUserAvailability | Represents user availability information |
| ExchangeUserAvailabilityCollection | Represents the collection of ExchangeUserAvailability |
| ExchangeUserWorkingHours | Represents the user working hours. |
| ExchangeUserWorkingHoursCollection | Represents the collection of ExchangeUserWorkingHours |
| FindMessageTrackingReportOptions | Represents options for FindMessageTrackingReport operation |
| GetMailTipsOptions | Represents options for GetMailTips |
| GetMessageTrackingReportOptions | Represents options for GetMessageTrackingReport operation |
| MailTips | Represents values for the Mail Tips |
| MessageTrackingReport | Represents the information to be included in the report. |
| MessageTrackingReportInfo | Represents an information about the message that was found by using the FindMessageTrackingReport |
| OutOfOfficeMailTip | Represents OOF mail tip |
| RecipientTrackingEvent | Represents details for a specific event in the tracking report. |
| ReplyBody | Represents the OOF message response. |
| RestoreSettings | The settings for the IEWSClient.Restore method |
| SentItemEventArgs | Containing data for SentItem event. |
| ServerNotificationEventArgs | Contains event data for server notification. |
| SyncFolderResult | Result for SyncFolder operation |
| SyncState | Synchronization object for folder synchronization operation. |
| TaskRegeneratingPattern | Represents the regenerating recurrence pattern that specifies how many days, weeks, months or years after the completion of the current task the next occurrence will be due. |
| UnifiedMessagingConfiguration | Unified messaging configuration |
| UserConfiguration | Represents user configuration |
| UserConfigurationName | Represents user configuration name |