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Outlook bug self-downloads empty ‘TokenFactoryIframe’ file to Macs

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A defective server-side replace launched to Outlook causes “TokenFactoryIframe” to routinely obtain itself when Safari customers go to the net model of Microsoft Outlook.

The file, which has a dimension of 0 KB is routinely downloaded to the Mac‘s onerous drive. The file doesn’t have a file extension and can’t be opened.

The obtain happens when visiting Outlook by way of Safari on macOS. Typically, the file could try to redownload itself each few seconds. The issue doesn’t seem to exist on Home windows-based machines.

Some customers initially believed the file could possibly be malware. Nevertheless, the file, whereas annoying, is innocent. The file’s unique function was to behave as a component to serve interactive content material or movies on the positioning.

An investigation by Home windows Newest discovered that it is merely a server-side challenge attributable to a defective replace. The difficulty doesn’t look like associated to Safari or macOS.

A Microsoft spokesperson acknowledged the difficulty whereas stating that customers can resolve it within the meantime by switching to different browsers to entry the e-mail service. Nevertheless, some customers reported the identical downside on alternate browsers like Firefox.

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