I had created custom form but it does not act as a default form. When I tried
to enter details like business phone number or any other details I used to
double click and it shows area code and other details but this custom form
does not act like a default form.

Also, when I enter all the details in a custom form and save it and again
that entry then it view in a custom form but it is opening in a default form
i.e. microsoft outlook form.

Please help me the matter.

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With warm regards,

Shri