Microsoft 365 Alert – Service Degradation – Microsoft 365 suite,SharePoint Online,Power BI – Some users may be unable to access or see Excel data in multiple Microsoft 365 services on the web – RESOLVED
13/02/2026 09:46:00 AM
NHSmail Reference: INC46748296
Microsoft Reference: MO1231021
Issue Status: RESOLVED
Issue Description: Users may be unable to access or see Excel data in multiple Microsoft 365 services on the web.
More info: Specific Microsoft 365 services affected are Power BI and SharePoint Online, though any Microsoft 365 service that uses Excel web access may be impacted.
The impact scenario for Power BI is that some users may be unable to view data when opening imported Excel workbooks in Power BI workspaces. To avoid this issue, users can see the data when opening workbooks in Excel or Excel for the web.
The impact scenario for SharePoint Online is that some users may be unable to access or view Excel content on SharePoint Online sites because the content is blank and greyed out. To avoid this issue, users can open the Excel file directly without using web parts.
Final Update: 16/02/2026 08:54:00 AM – Microsoft’s has successfully deployed their fix to address this issue and confirmed in their testing environment that this issue is resolved.
Scope of impact: This issue may potentially impact any user attempting to join affected meetings through the “Join” button in the meeting chat. This information may be updated as our investigation continues.
Next Steps: Microsoft are reviewing their validation and updating procedures to better detect and prevent issues like this prior to deployment in the future.