CNC Program Editing on a PC

Tue, May 25, 2010

Communications, FAQs, Programming

Dear Answer Man,

I am not sure what software I need to download onto our computer so that I can store, read and change CNC programs while I’m not at the machine. Please advise what – and where to get it – if you could, please. Thanks.

Curt Fredericks

Dear Curt:

You can use the Note Pad accessory, which is supplied with most computers, to store and edit programs. This application is the intellectual property of the Microsoft Corporation, and is installed on most Windows-compatible computers. (You should not use Word Pad or any word processing program to edit CNC programs, as they can introduce text-formatting commands that are incompatible with the Haas control. If you do use these, you must save the file in ASCII format – that is, as a text-only file with a .txt extension.)

You might also be interested in ESPRIT Machinist editor, a program that is specifically designed for Quick Code programming on a PC – and also specifically designed for use with the Haas control. Download it for free from the Haas website: Go to and scroll down the page to the red box.

Sincerely, Answer Man

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