✔ 最佳答案
You cannot pick & choose what you wish to change - if all you need to alter is the name people see you as, THIS is changeable - if you forget your PW & wish Y!s help, enter the incorrect name if asked.
Anyway,
Log on/switch to Classic>Options>Mail Options. Drill down to General Preferences. Change your name here.
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Other option is to create a new ID.