How to remove Nintex Workflow for Office 365 or Nintex Forms for Office 365 apps from a SharePoint Online site.
- Access Site Contents of the site where you wish to remove the app. If in New View Mode, click the "Return to classic SharePoint" link at the bottom left of the page.
- Locate the Nintex Workflow for Office 365 or Nintex Forms for Office 365 app.
- Hover over the app with the cursor and select the "..." in the top right corner.
- In the pop-up window, select the "...", and then click "Remove"
- Wait until the app is fully removed from the site.