OUTLOOK received a new email without prompting. How to set it?

1. First, open outlook installed on your computer, click Tools in the upper left corner and click Options.

2. After opening the options dialog box, select the mail settings and click the send/receive option.

3. Then shorten the setting of "scheduled time for automatic sending and receiving" in the opened options.

4. Then return to the option settings and select "Advanced Mail Options" in "Mail Options".

5. Select all the check box options under "When new mail arrives in my inbox" in the opened page, and click OK to finish the setting.