Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 123]

▼News	Contains all classes, functions, and enumerations of this library
Cabsolute_monthly_recurrence	An event that occurs on the same day each month or monthly interval
Cabsolute_yearly_recurrence	A yearly recurrence pattern, e.g., a birthday
Cand_	Allows you to express a boolean And operation between two search expressions
Cassertion_error	Raised when an assertion fails
Cattachment	Represents a `<FileAttachment>` or an `<ItemAttachment>`
Cattachment_id	Contains the unique identifier of an attachment
Cattendee	An attendee of a meeting or a meeting room
Cautodiscover_hints
Cautodiscover_result
Cbasic_credentials	This class allows HTTP basic authentication
Cbasic_service	Allows you to perform operations on an Exchange server
Cbody	Represents the actual content of a message
Ccalendar_item	Represents a calendar item in the Exchange store
Ccalendar_view	A range view of appointments in a calendar
Ccomplete_name
Cconnecting_sid	Represents a ConnectingSID element
Ccontact	A contact item in the Exchange store
Ccontains	Check if a text property contains a sub-string
Ccurl_error	Exception for libcurl related runtime errors
Cdaily_recurrence	Describes a daily recurring event
Cdate_time	A thin wrapper around xs:dateTime formatted strings
▼Cdelegate_user	Represents a single delegate
Cdelegate_permissions
Cdirectory_id
Cdistinguished_folder_id	Renders a `<DistinguishedFolderId>` element
Cduration	Specifies a time interval
Cemail_address
Cend_date_recurrence_range	Represents recurrence range with end date
Cexception	Base-class for all exceptions thrown by this library
Cexchange_error	Exception thrown when a request was not successful
Cextended_field_uri	The ExtendedFieldURI element identifies an extended MAPI property
Cextended_property	Represents an `<ExtendedProperty>`
Cfolder	Represents a generic `<Folder>` in the Exchange store
Cfolder_id	Identifies a folder
Chttp_error	Exception thrown when a HTTP request was not successful
Cim_address
Cindexed_property_path	Identifies individual members of a dictionary property by an URI and index
Cinternet_message_header	Represents an `<InternetMessageHeader>` property
Cis_equal_to	Compare a property with a constant or another property
Cis_greater_than	Compare a property with a constant or another property
Cis_greater_than_or_equal_to	Compare a property with a constant or another property
Cis_less_than	Compare a property with a constant or another property
Cis_less_than_or_equal_to	Compare a property with a constant or another property
Cis_not_equal_to	Compare a property with a constant or another property
Citem	Represents a generic `<Item>` in the Exchange store
Citem_id	The unique identifier and change key of an item in the Exchange store
Citem_shape	Renders an <ItemShape> element
Cmailbox	Represents a SMTP mailbox
Cmessage	A message item in the Exchange store
Cmime_content	Represents an item's `<MimeContent CharacterSet="" />` element
Cno_end_recurrence_range	Represents recurrence range with no end date
Cnot_	Negates the boolean value of the search expression it contains
Cntlm_credentials	This class allows NTLM authentication
Cnumbered_recurrence_range	Represents a numbered recurrence range
Coauth2_client_credentials	This class allows OAuth2 authentification using the client credentials grant type
Coauth2_resource_owner_password_credentials	This class allows OAuth2 authentification using the Ressource Owner Password Credentials grant
Coccurrence_info	Holds a subset of properties from an existing calendar item
Coccurrence_item_id	The OccurrenceItemId element identifies a single occurrence of a recurring item
Cor_	Allows you to express a logical Or operation between two search expressions
Cpaging_view	A paged view of items in a folder
Cphone_number
Cphysical_address
Cproperty	Represents a single property
Cproperty_path	Identifies frequently referenced properties by an URI
Crecurrence_pattern	Abstract base class for all recurrence patterns
Crecurrence_range	Abstract base class for all recurrence ranges
Crelative_monthly_recurrence	An event that occurs annually relative to a month, week, and day
Crelative_yearly_recurrence	An event that occurs annually relative to a month, week, and day
Cresolution
Cresolution_set
Cschema_validation_error	A SOAP fault that is raised when we sent invalid XML
Csearch_expression	Base-class for all search expressions
Csoap_fault	A SOAP fault occurred due to a bad request
Csync_folder_hierarchy_result
Csync_folder_items_result
Ctask	Represents a concrete task in the Exchange store
Cupdate	An update to a single property of an item
Cuser_id
Cweekly_recurrence	A weekly recurrence
Cxml_parse_error	Raised when a response from a server could not be parsed