Microsoft’s Exchange Sync protocol (Exchange ActiveSync) based on HTTP and XML which is used to organize and to work together with high-latency and low bandwidth networks. It has stuff features included HTML Message, follow-up flags, conversation grouping of email messages, view message reply status, fast SMS retrieval, meeting attendee information, task synchronization and much more. This all things are most useful in an organization. And for straightforward to use on mobile it offers the phone to access an organizations information on a server via Microsoft Exchange. So to get access email, Contacts, Calendar, and tasks as well you running offline on your iPhone. You will have to setup Exchange Email on your Apple iPhone.
In this thread, you will get the complete process to Configure Exchange account in iOS 11 or later running iPhone and iPad.
To Add Exchange account in iOS 11 or later running iPhone, iPad and iPod Touch
Step #1. Go to the Settings looks like a Gear icon.
Step #2. Tap Accounts & Passwords.
Step #3. Next, Tap on Add Account.
Step #4. Hit on Exchange appears between iCloud and Google.
Step #5. Now, you will have to enter your email address and password. In more, you can also input an account description. (If you enter wrong details then you’ll get invalid Email Address pop-up)
Step #6. If your iPhone or iPad will try to find your Exchange Server then you might have to enter additional server information. In addition, you might see a custom authentication page specifically for your company. For extra help, you can contact your Exchange Server administration.
Step #7. Tap Next.
Step #8. Now you can take backup of your Exchange Contacts, sync Mail, Calendars, Reminders, and notes on your iPhone/ iPad/ iPod Touch.
Step #9. To Complete the Configure process tap on Save.
On iOS 8/ iOS 9/ and iOS 10 device users can also apply above-mentioned guide but in step 2 – go to Mail instead of Accounts & Passwords.
How to set Exchange ActiveSync as a default Mail account
You would like to make Exchange ActiveSync is your default Mail account then you should apply following steps.
Go to settings – Tap Mail – scroll down the screen tap Default Account – select Exchange.
Related more: How to Setup Custom/ Other Email on iPhone
Sometimes after the software update, the variety of problems occurs due to exchange server misconfiguration or users iOS device miss setup. The various common issue like Exchange calendar won’t sync, unable to sync notes using Exchange ActiveSync and the major issue is Contacts and Mail not syncing.
So until you get next iOS 11 updates or you can downgrade from iOS 11 to iOS 10.3.3
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