File I/O operations pass data to and from files. Use the File I/O VIs and functions on the File I/O palette to handle all aspects of file I/O, including the following:
You can open, read or write, and close a file using a single VI or function. You also can use a function to control each step in the process.
Refer to the labview\examples\File IO directory for examples of file I/O operations.