Most site collection features are turned off by default in SharePoint Online. Depending on the type of site (classic or modern) and the features you want to deploy, you may need to turn them on. This is achieved through the Site settings applet on the site:
- Navigate to the Site settings page:
- On modern communication sites, select Site contents in the top menu bar and then click Site settings.
- On a modern team site, select Site contents in the left pane, and then click Site settings in the top navigation bar.
- On classic sites, click Settings and then click Site settings.
- On the Site settings page, click Site collection features under Site Collection Administration.
- Do one of the following on each site collection feature you want to enable or disable:
- Click Activate to enable the site collection feature.
- Click Deactivate to...