Authentication request when opening Microsoft Office documents

Sometimes when you try to open a Microsoft Office document (.xls, .doc etc) you might get an authentication prompt (login box). In this case, you can don't have to log in – the file will still open if you just click cancel.

This is a known Microsoft Office bug which generally manifests when opening Office documents in Internet Explorer (see One way to avoid this login prompt is to download / save the files first onto your system, and then open the files from there instead of opening directly in the browser.


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