Hi
This is a very general question. If you want an good answer, provide more information which means in general things like LV version, the purpose of your program, if there is already code either a screenshot or the code itself.
To give you an answer on your question - use the "Open/Create/Replace File" vi from the file IO palette.
Thomas
Using LV8.0
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Don't be afraid to rate a good answer... 😉
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