Export the file as JSON (Collection > Export > V2), and save it to your filesystem.

What does Newman support in Postman?

Newman is a command-line Collection Runner for Postman. It enables you to run and test a Postman Collection directly from the command line. It is built with extensibility in mind so that you can easily integrate it with your continuous integration servers and build systems.

How do I upload files to Postman runner?

Click Runner at bottom right of Postman. Select your collection, then click Select File next to Data on the right to select your data file. You will see an option to Preview the data in the file before starting the run. Click Run using data files to begin the run with the values from the file.