Check your storage quota of Teams/SharePoint Site

To check the quota of Teams/SharePoint site, you must be the site owner or a site collection administrator.

  1. In your site,
    • Click on Return to Classic SharePoint in bottom right hand corner of page
    • click Site contents in left menu
    • then select  
  2. On the "Site Settings" page, under "Site Collection Administration", click Storage Metrics

    Your site collection storage quota will appear in the top right corner of the "Storage Metrics" page, along with a breakdown of data usage.