29/09/2023 09:00:00 AM (GMT)
NHSmail Reference : INC38577499
Microsoft Reference : SP678095
Issue Status : RESOLVED
Issue Description : Users may be unable to open .MSG files that contain specific character codes in the SharePoint Online document library.
More info : Affected users see the following error message: “Hmm… looks like this file doesn’t have a preview we can show you.”
Users can bypass the issue by downloading and opening affected .MSG files in Outlook.
Final Update : 31/10/2023 08:32:00 AM – The fix deployment has successfully saturated within the affected infrastructure and Microsoft have confirmed with your representatives that impact has been remediated.
Scope of impact : This event may impact any users who attempt to open .MSG files that contain specific character codes in the SharePoint Online document library.
Root cause : A third-party open source component contains an issue that is preventing users from opening .MSG files that contain specific character codes.
Next steps : Microsoft are continuing to investigate why the third-party open source component contained an issue to prevent similar instances in the future.