How to keep a family member or colleague from messing with a shared Calendar

Calendar sharing in iCloud is popular-but sometimes you want other people to keep their hands off.

- GLENN FLEISHMAN

You can share a fully editable calendar via iCloud with other people in your family or at work, school, or in groups so you can have a collective place to coordinate appointments and share information about them. But that's a two-edged sword: If someone else can edit a calendar you're sharing, they can-usually unintentionally-delete or modify events.