Export the customer list and ID

Hi there, 

Welcome to the Community. Rest assured, I'll be happy to steer you in the right direction so you can get back to doing the things you enjoy. 

I'd like to start off by troubleshooting this issue to determine if it's a browser-related issue. Clearing cache and cookies is a great way to clean your browser allowing it to work more efficiently. Here's an article that shows you: How to clear cache and cookies. Try this out and let me know what happens. Feel free to check out this helpful article that shows you how to: Export customer data to Excel.

I'll be one message away in case you need further assistance.