SharePoint has 13 communication and 10 team site templates, from Organization home to IT help desk. What each is for, how to apply one and how to make your own.
How a SharePoint Administrator locks a site with Set-SPOSite: ReadOnly, NoAccess and Unlock, how to check the state, and why an unlock command sometimes fails.
What a SharePoint hub site is, the 2,000 hub limit, how to register one in the admin center, who can associate sites, and how to delete or archive a hub.
SharePoint sites read-only because storage is full: the exact messages, what Microsoft documents, why buying storage may not unlock it, and how to free space.
How to set up pay-as-you-go SharePoint storage in the Microsoft 365 admin center: prerequisites, billing policy steps, budgets and alerts, and disconnecting.
How to classify data in SharePoint Online: classifiers, labels, auto-labeling and on-demand scans, where each one stops, and how to reach archived content.
All 23 failure codes Purview reports when auto-labeling a SharePoint file fails: which retry on their own, which need action, and where to find the code.