Edge update disrupted attachment access for some New Outlook users

The Register ·

An Edge 156 update disrupted attachment opening for some New Outlook users, showing how changes to one Microsoft product can affect another. The incident prompted questions about the reach of software updates across Windows and the wider Microsoft ecosystem.

Affected users may see an error telling them to restart Outlook, after which the “Open” option disappears. Microsoft confirmed the issue under advisory EX1528992 and began rolling out a fix, expected to take 12 hours; users need to close and reopen New Outlook after it arrives. In the meantime, they can save attachments and open them manually, while Outlook Classic appears unaffected.

In short

  • Edge 156 disrupted attachment opening for some New Outlook users.
  • Microsoft began rolling out a fix expected to take 12 hours.
  • Saving attachments and opening them manually is a workaround.

Explained simply

New Outlook is Microsoft’s newer email app, while Outlook Classic is its older desktop version. Both let people open or save files sent with emails, but they are separate apps and may be affected differently by changes to other Microsoft software.

Microsoft Edge is the company’s web browser, and Windows and Microsoft apps share parts of the software environment on a computer. As a result, an update to one product can sometimes affect how another works. This matters to people who rely on email attachments for everyday tasks, and illustrates how connected software updates can have wider effects.

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Originally published by The Register as “Microsoft breaks New Outlook attachment opening with Edge Update”.

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