Outage in Microsoft 365
Users may be unable to open .MSG files that contain specific character codes in OneDrive for Business
Resolved Minor
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Outage Details
Components affected
OneDrive for BusinessLatest Updates ( sorted recent to last )
Title: Users may be unable to open .MSG files that contain specific character codes in OneDrive for Business
User impact: Users may be unable to open .MSG files that contain specific character codes in OneDrive for Business.
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.
Current status: We're working in parallel with the developers of the open source component responsible for the issue, and have confirmed they've developed a fix for the issue which is being prepared for deployment. We're awaiting their confirmation of deployment and to confirm if additional steps will be needed from the OneDrive for Business service to fully remediate impact for all users.
Scope of impact: This event may impact any users who attempt to open .MSG files that contain specific character codes in OneDrive for Business.
Start time: Friday, September 8, 2023, at 8:32 AM UTC
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 update by: Wednesday, October 4, 2023, at 9:30 PM UTC
Title: Users may be unable to open .MSG files that contain specific character codes in OneDrive for Business
User impact: Users may be unable to open .MSG files that contain specific character codes in OneDrive for Business.
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.
Current status: We've determined an open source component contains an issue that is preventing users from opening .MSG files that contain specific character codes. We've reported the open source issue and we're pursuing a fix.
Scope of impact: This event may impact any users who attempt to open .MSG files that contain specific character codes in OneDrive for Business.
Start time: Friday, September 8, 2023, at 8:32 AM UTC
Root cause: An open source component contains an issue that is preventing users from opening .MSG files that contain specific character codes.
Next update by: Monday, October 2, 2023, at 7:00 PM UTC
Title: Users may be unable to open .MSG files that contain specific character codes in OneDrive for Business
User impact: Users may be unable to open .MSG files that contain specific character codes in OneDrive for Business.
Current status: We're investigating a potential issue and checking for impact to your organization. We'll provide an update within 30 minutes.
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