This article describes how to check the storage usage for Microsoft 365 domain.
Storage usage determines the size of your infrastructure and helps Afi plan your on-boarding and offer you a custom (discounted) quote.
1. Log in Office 365 administrator panel and head to Reports -> Usage
2. To estimate the total storage used by a Microsoft 365 domain, you need to sum up Exchange, OneDrive and Sharepoint space usage. See description how to get a storage usage for each of these services below.
To find out Exchange space usage, go to https://admin.microsoft.com/Adminportal/Home?#/reportsUsage/MailboxUsage and check a Mailbox usage -> Storage chart.
To find out OneDrive space usage, go to https://admin.microsoft.com/Adminportal/Home?#/reportsUsage/OneDriveSiteUsage and check a Usage -> Storage chart.
To find out Sharepoint sites space usage (including Group and Team Sites), go to https://admin.microsoft.com/Adminportal/Home?#/reportsUsage/SharePointSiteUsageV1 and check a Site usage -> Storage chart.