Duplicate Emails in Outlook

email

#1

While using MS Outlook my system get restarted because of Outlook updating. After restarting the system, when I access MS Outlook latest version. I don’t understand what happened with my mail. Before updating, in my inbox mailbox there were 2000+mails but after updating there are 4000+ mails. I was shocked how my mails get doubled. Every email is repeating means duplicate emails in Outlook. To fix this issue I searched on the internet and found few references which are helpful according to Outlook expert team.
https://help.dreamhost.com/hc/en-us/articles/215029828-Why-am-I-receiving-duplicate-emails-
https://www.stellarinfo.com/blog/remove-duplicated-email-messages-outlook-2016/

Please suggest which one is more helpful for my problem and easily fix my Outlook duplicate Emails problem.