If you want to overcome the problem of spam mails you have to mark as many mails as possible as spam which you think are useless and are spamming your inbox. This will help outlook to understand type of mails you consider as spam and all such meetings in future will be sent directly to spam box. If you want you can also individual block e-mail addresses. outlook Customer Service All you'll need to do is open the particular mail and then select the option mark in a spam or block the sender. In this Outlook Technical Support Number manner gradually similar meetings will be blocked from entering your account. Call outlook customer support team in case you face issues in managing your account.