How to repair outlook profile using Office 365

Go to Control panel.
In the control panel window, select “Mail(Microsoft Outlook 2013/2016)(32-bit)” option.
New window will pop up. Click on “E-mail Accounts”.
Select the email account and click on “Repair…”.
In the Repair Account window, specify your name and email address. Click on “Next”.
Now, processing starts for repairing account.
After the processes completes with a green check on all activities, click on “Finish”.
Now, close “Account Settings” window.
Exit from “Mail Setup – Outlook” window.
Now, you can open outlook in office 365 portal. When you open outlook, one message dialog box appears on your screen, click on OK.
Now, your outlook profile is repaired and you can connect Microsoft Exchange server in Outlook.