There is no a section in Personal Info to enter an email address. An email address is also requited when you have completed your tax return. In the File section of the program on Step 3 your email address will be shown along with an entry you can make for a cell phone number to receive text messages.
You can verify your email address is correct using the Intuit Account - https://ttlc.intuit.com/turbotax-support/en-us/help-article/account-status/update-turbotax-account-i...
