Exchange mailbox
- Download Outlook from the app store
 - Open Outlook and tap Get Started.
 - Enter your full email address and click Sign In With Exchange.
Note: If you see Microsoft 365 logo and Microsoft account, select Not Office 365 option at the top.
Then select Change Account Provider > Exchange. - Enter the password for automatic configuration and tap Sign In.
 - Enter all the settings manually if the automatic configuration fails.
To specify server settings manually, click Use Advanced Settings.- 
Server name: your Exchange Proxy server name
There are two sets of settings that can be used for Domain and Username fields: - Domain: leave it blank
 - Username: specify the full email address
 - or ActiveSync domain and username
 
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Server name: your Exchange Proxy server name