How can I export the email addresses entered on my form

now we want send a newletter for all recipients they contact us about its form, but we no have idear to export all recipients, need it pick up any recipient manually form the income postbox ??

I failed to clearly understand what you're asking but it looks like you wanted to export all the email addresses that were entered on your form.

You can do that by exporting your submission data to either XLS or CSV format.

Complete guide: How-to-Download-Form-Submissions-as-Excel-CSV-PDF

Afterwards, use your preferred email campaign solution (e.g. Mailchimp) to send your newsletter to your target audience.

In case we misunderstood your question, just get back to us with a bit more info and a clearer description of what you're trying to do so we can better assist you.