Microsoft updates Outlook for iOS, here is what's new
Unlike the previous update that added many improvements to shared calendars feature, the new version of Outlook for iOS is more related to the Groups feature.
As long as you have an Office 365 account, you will be able to take advantage of these new Groups related features. You'll find them by accessing your Groups conversations and details or using the shortcuts on the sidebar.
According to Microsoft, the update also includes performance improvements and bug fixes meant to make Outlook experience better for iOS users.
Things that are NOT allowed: