There are no current issues.
Microsoft posted an incident for SharePoint Online. Users may be unable to render SharePoint Online Classic UI pages.
Impact: Users may be unable to render SharePoint Online Classic UI pages.
Affected Applications: SharePoint Online
Microsoft O365 / Azure is experiencing a global DNS issue that has caused a complete outage of Sharepoint online and OneDrive for Business. Their engineers are actively investigating the root cause.
Affected Applications: -----