The steps below are to customise the Outlook Charter Email Settings with IMAP as your account form.
On your laptop, open Outlook and then go to the File menu.
Click the drop-down menu and then select the option for Info / Tools.
Choose the Add Account option now. If you do not see the Add Account option, click Accounts and select New Accounts.
Navigate and pick Advanced Options, and then pick the checkbox "Let me manually set up my account"
Select the Attach option or, depending on your version of Outlook, select the Manual setup or additional server types option.
Hit Next and then pick the account form as IMAP on the Choose Service tab.
Depending on what you have on your phone, Click Connect or Next.
On the settings tab for Account