How to make a link to an email in excel with a filled subject and text fields?

Question

excel

Already done, I’m writing to the toaster in line 1 as a note for myself for the future.
Given:
There is a cell with a person's email address, a cell with his full name, some kind of welcome text. There are more than 100 such cells, I don’t need the result myself, it’s not an option to explain about macros.

It is necessary:
​​Make it so that on click the mail client opens with the subject of the letter and full name already filled in.

Answer 1

In cell C2, enter the following formula:
Result: