The best method to change main primary domain in namecheap is to contact them through live chat.
Before changing main primary domain we need to read this information.
NOTE: The domain name you would like to host needs to be registered. Please note that if the domain name is changed:The files of an old domain will be re-assigned to the new domain. This means the new main domain will be pointed to the /public_html folder that may contain your old files of the previous main domain. Some configuration changes will be needed to your website once the domain name is changed.
Email and FTP accounts will be re-assigned to the new domain.
The URL references in the database will not be reassigned to a new domain, and this will most likely corrupt the working website and highly developed CMS. The appropriate database changes should be made in this case. How this is done depends on your configuration.
The contacts and mailing lists from the address book of the email account will not be reassigned to the new domain. You can export contacts with the help of this guide and import them back if necessary.
If you have an SSL certificate installed for your current main domain, it will not be transferred to the new domain name. Reissue the SSL certificate using this guide. Then, it needs to be re-installed on the server.
The related Softaculous installations may be affected and backup creating/restoration via Softaculous might be unavailable for the domains in question If you have a Reseller Shared Hosting package, the following will also apply:
Private nameservers for the current domain name will not be transferred to the new one. You will need to register new private nameservers and re-point your resold domains to them;
If you have WHMCS installed for the current domain name, it will require license reissue after the domain name change.Namecheap
If you are ok with the above information we can proceed to live chat.
In Live chat you need to give support pin and username.
Support pin is available in the profile security page.
Also it is available in the dropdown menu.
In the live chat we selected hosting support and gave the supporting and username details.
Within 10 to 30 minutes our primary domain was changed.
And an e-mail will be sent to us with the subject,Hosting account credentials changed.
That’s all friends about the topic .How to change main primary domain in namecheap hosting | 2020 update .Kindly share your thoughts in the comment section.Thank you.