When creating a calendar event, external email addresses in the recipient list are highlighted in red with a red dot.
You can view the recipient availability without editing the event.
- Tap on the invitees to enter the Free/Busy lookup menu.
- If enabled by your administrator, Workspace ONE Boxer displays the notification Send Invite to External Addresses when sending invite to recipients with external addresses.
- Confirm the notification to send invite to attendees with external email addresses. The Mark External Addresses feature is also available when you are creating or editing Calendar events.