Sonstiges28.01.2022, 11:08
You can stop duplicate emails in Outlook. If you're not sure how to do this, you'll need to know that this is a common problem. Many people have noticed that their inbox contains many duplicate emails. However, you can prevent this by deleting them manually. You can also use a third-party tool to remove the flags from your Outlook inbox. If the duplicate emails are in a particular folder, you can simply mark them as unread.
Check also - https://emailspedia.com/how-to-stop-receiving-duplicate-emails-in-gmail/
Check also - https://emailspedia.com/how-to-stop-receiving-duplicate-emails-in-gmail/