An alternate email is any email address other than your AfterOffice email address. It can be your secondary or personal email address.
A way to recover your VO account password
You can add an alternate email address to your VO account and use them to recover your account password.
If you happen to forget your VO account password or your account becomes compromised, you can request for a password reset and the confirmation link will be sent to the alternate email.
How to reset your AfterOffice account password: