Important Access Services 2010 and Access Services 2013 are being removed from the next release of SharePoint. We recommend you do not create new web apps, and migrate your existing apps to an alternative platform, such as Microsoft Power Apps.
In Access web apps, summary views act like on-screen reports, letting you group and summarize data by different values. Watch this video to see how they’re made.
This video doesn't apply to Access desktop databases. For information concerning creating grouped or summary reports in desktop databases, see create a grouped or summary report.