Unfortunately flagging is a feature which doesn't work well with every version of Exchange, and as a result we've decided not to support it.
Articles in this section
- Why doesn't flagging work with my Exchange account?
- How can I change my email account password?
- How do I export information to other apps
- My messages are stuck in the outbox, why?
- How do Smart Replies work?
- How do I fix an authentication error with my iCloud account?
- How can I mark a message as spam?
- What is the difference between archiving and deleting an email?
- How do I remove an email account from the app?
- Where can I access my personal folders from each email account?