Hey there, Mohan Yenugula Welcome to the Community!
This may or may not be what you're looking after, but the SIS Export report in your umbrella account may be of service. If you have Admin rights in your Canvas instance, you can navigate to "Settings" then "Reports" and the "SIS Export" report will have several options. I believe the "User CSV" report would be your relevant option. (see the "Select CSV" section of the How do I view reports for an account? guide for more info)
The report Exports with the following headers:
If your school has Canvas Data, you can do an API call to retrieve that info I believe, but I'll share this with the Canvas Developers and Canvas Admins spaces for more informed input. Hope this helps.
Roxanne is definitely on the money for pulling the report.
I did want to ask though, you mentioned in your original post that you wanted to backup the user data. Does the report that Roxanne linked to cover off the sort of things you need, or is there something else you need as well?
If you need more, you could go down the path of interacting with the API, or potentially Canvas Data if your institution has that. If you are looking for something more, could you please tell us a little more about that, and exactly what you are trying to achieve, and for what purpose?
Retrieving data ...