| AddFile(string, string) | Adds a file to the folder as a new item with the specified message class. |
| AddMapiMessageItem(IMapiMessageItem) | Adds a message, contact, appointment, meeting, task, note or journal item to the folder. |
| AddMessage(MapiMessage) | Adds a message to the folder. |
| AddMessages(IEnumerable<MapiMessage>) | Adds messages to the folder in bulk, which is faster than adding them one by one. |
| AddSubFolder(string) | Adds a subfolder with the specified name. |
| AddSubFolder(string, bool) | Adds a subfolder. With createHierarchy, the name can be a path, and the missing folders are created. |
| AddSubFolder(string, FolderCreationOptions) | Adds a subfolder with the specified name to the current folder using the provided creation options. |
| AddSubFolder(string, string) | Adds a subfolder with the specified name and container class. |
| ChangeContainerClass(string) | Changes the container class of the folder. |
| ChangeDisplayName(string) | Renames the folder. |
| ChangeMessages(MapiPropertyCollection) | Sets the specified properties on all messages of the folder. |
| ChangeMessages(IEnumerable<string>, MapiPropertyCollection) | Sets the specified properties on the given messages of the folder. |
| DeleteChildItem(byte[]) | Deletes a message or subfolder of this folder by its entry ID. |
| DeleteChildItems(IEnumerable<string>) | Deletes the specified messages of the folder. |
| EnumerateFolders() | Enumerates the subfolders of the folder. |
| EnumerateFolders(FolderKind) | Enumerates the subfolders of the specified kind. |
| EnumerateMapiMessages() | Enumerates the messages of the folder as fully loaded MapiMessage objects. |
| EnumerateMessageObjects() | Enumerates the messages of the folder as MessageObject objects. |
| EnumerateMessages() | Retrieves MessageInfo objects from the folder. |
| EnumerateMessages(MailQuery) | Retrieves a collection of MessageInfo objects that match the specified query. |
| EnumerateMessages(MessageKind) | Retrieves a collection of MessageInfo objects of the specified kind. |
| EnumerateMessages(int, int) | Retrieves a collection of MessageInfo objects starting from a specific index and limited to a specified count. |
| EnumerateMessagesEntryId() | Enumerates the entry IDs of the messages in the folder. |
| GetContents() | Gets information about all messages in the folder. |
| GetContents(bool) | Gets information about the messages in the folder, optionally reading a damaged message list. |
| GetContents(MailQuery) | Gets information about the messages that match a query. |
| GetContents(MessageKind) | Gets information about the messages of the specified kind. |
| GetContents(int, int) | Gets information about a range of the messages in the folder. |
| GetContents(MailQuery, int, int) | Gets information about a range of the messages that match a query. |
| GetPredefinedType(bool) | Gets which standard Outlook folder, such as Inbox or Sent Items, this folder is. |
| GetSubFolder(string) | Gets the subfolder with the specified name. |
| GetSubFolder(string, bool) | Gets the subfolder with the specified name, optionally ignoring case. |
| GetSubFolder(string, bool, bool) | Retrieves a subfolder with the specified name from the current folder. |
| GetSubFolders() | Gets the subfolders of the folder. |
| GetSubFolders(FolderKind) | Gets the subfolders of the specified kind. |
| GetSubFolders(MailQuery) | Gets the subfolders that match a query. |
| MergeWith(FolderInfo) | Merges a folder from another PST into this folder. |
| MergeWith(FolderInfo, bool) | Merges a folder from another PST into this folder and raises ItemMoved for the merged messages and folders. |
| MergeWithAsync(FolderInfo, CancellationToken) | Asynchronously merges a folder from another PST into this folder. |
| MergeWithAsync(FolderInfo, bool, CancellationToken) | Asynchronously merges a folder from another PST into this folder and raises ItemMoved for the merged messages and folders. |
| MoveContents(FolderInfo) | Moves all messages of this folder to another folder. |
| MoveSubfolders(FolderInfo) | Moves all subfolders of this folder to another parent folder. |
| RetrieveFullPath() | Gets the path of the folder from the root of the PST. |
| SetReadStatus(IList<string>, bool) | Sets or clears the Read status for the specified messages in a PST file. |
| UpdateMessage(string, MapiMessageItemBase) | Updates the message with the specified entry ID. |