Howfinity How to Open .DAT Files Posted: March 10, 2025 | Last updated: March 26, 2025 If you're having trouble opening a DAT file, I'll show you a simple and free way to do it. This method works ...

Opens the file data called 'data.txt' and stores the contents in a variable 'myFile'. Reads the first line and stores in a variable called 'line'. Closes the file. Reading all the lines myFile ...