Office 365 (Outlook for iOS) - View multiple calendars at the same time
This document explains how to view multiple calendars in one calendar view in Outlook for iOS.
1. Navigate to your Calendars by tapping the Calendar icon at the bottom of the screen.
2. Tap the three lines icon in the top-left corner of the screen to view calendar settings.
3. Tap each calendar to toggle visibility in the main calendar view.