Windows 3.1 has the following new functions.
| Function | Description |
| WNetWriteJob | Writes to an open print job. |
| WNetRestoreConnection | Restores a connection to a network device. |
| WNetConnectDialog | Displays a File Manager connection dialog box. |
| WNetDisconnectDialog | Displays a File Manager disconnection dialog box. |
| WNetConnectionDialog | Displays a connection dialog box. |
| WNetViewQueueDialog | Display a queue viewing dialog box. |
| WNetGetPropertyText | Adds buttons to a property dialog box. |
| WNetPropertyDialog | Supports added buttons in the property dialog. |
| WNetGetDirectoryType | Retrieves directory type. |
| WNetDirectoryNotify | Notifies driver of operations on directories. |
For network drivers that provide user functions, the following ordinals are reserved the user functions:
WNNC_ORD_UserStart 500 WNNC_ORD_UserEnd 599
File Manager is guaranteed never to use ordinals in this range.