Today, I am writing about creating a site mailbox on a SharePoint Online site. Site Mailbox is a central email and document sharing account that we can access from a SharePoint site. A team member can use a Site Mailbox to team up on composing an important email message or gathering applicable team-level email conversations.

So, I am creating Site Mailbox on SharePoint Team site.

Below are the screen shots for creating the same step by step.

Now, we need to configure the Site Mailbox from the SharePoint Online Team site page.