Open Outlook and create a new email or reply to an exisiting email.

Tap the calendar icon above the keyboard.

You can select half-hour intervals and multiple days.

When you're done selecting availability, tap the check mark in the upper right-hand corner.

Your available meeting times will be automatically pasted into the email.

Outlook

Hungerford

Microsoft Outlook is an email application. In addition to email client services, Outlook includes features for managing calendars, tasks, contacts, and notes, helping users stay organized and productive. Learn how to manage your account, set up your Outlook email signature, specify out of office hours, and much more.

How to Send Meeting Availability in Outlook (Mobile)