Why Does My Content Not Show in the SharePoint Web App in Internet Explorer?
Symptoms
An error shows in the SharePoint Web App in Internet Explorer, usually within an iFrame, which says that the content can not show for security reasons. This content is visible in other, non-IE web browsers.
Cause
The web domains for Microsoft Microsoft 365 do not exist in the list of Trusted Sites in Internet Explorer.
Resolution
- Select the Trusted sites zone.
- Click Sites.
- Add the following URLs to the Sites list:
- https://login.microsoftonline.com
- https://[your SharePoint domain].sharepoint.com