Users may be unable to open .MSG files that contain specific character codes in OneDrive for Business

Title: Users may be unable to open .MSG files that contain specific character codes in OneDrive for Business
User impact: Users may have been unable to open .MSG files that contained specific character codes in OneDrive for Business.
More info: Affected users saw the following error message: “Hmm… looks like this file doesn’t have a preview we can show you.”
Users could have bypassed the issue by downloading and opening affected .MSG files in the Outlook desktop client.
Final status: The fix deployment has successfully saturated within the affected infrastructure and we’ve confirmed with your representatives that impact has been remediated.
Scope of impact: This event may have impacted any users who attempted to open .MSG files containing specific character codes in the SharePoint Online document library.
Start time: Friday, September 8, 2023, at 8:32 AM UTC
End time: Monday, October 30, 2023, at 8:30 PM UTC
Root cause: A third-party open source component contained an issue that was preventing users from opening .MSG files that contained specific character codes.
Next steps:
– We’re continuing to investigate why the third-party open source component contained an issue to prevent similar instances in the future.
This is the final update for the event.