How can I find and edit previously entered client information?

For example, I enter basic information about a client at first contact but in the following weeks, I need to enter follow up information especially subsequent contact dates. How can I retrieve the client record and update it?

You may view your clients data in your submission page.

Here is a guide:https://www.jotform.com/help/269-How-to-View-Form-Submissions

Then you can edit the data in the submission page.

Guide:https://www.jotform.com/help/325-How-to-Edit-Submissions-Made-on-Your-Forms

If you have further questions, let us know.