You mean that expiration Date feature on electrum, right? A bitcoin address never expires. You or the person you are sending bitcoins will still receive funds in the address and be able to spend them even if they are sent after the expiration date.
The Expiration feature is used for payment request QR code so that the person or customer who's supposed to send you some BTC can not send it to you after the quoted price has expired at the set time.
No, not the expiration date feature.
Talking about wallet address expiration, One person send the fund to expired address yet it is not received at the end user.
Usually while creating an address, it will say like the address will be used for 12 months or so. some wallet address expiration information.