Zoho Varias App

Zoho Varias App

Hi, I'm about to change my domain.

But I already have several App in operation as they are:

Mail
CRM

In the mail part I do not want to lose the emails that are there.
In the part of the CRM it is integrated with a web form.

I don't want to lose information and integrations and other things.

What do you recommend me to do.