Attention, Mac customers who entry Outlook with Safari: one thing’s damaged, and it is inflicting an empty TokenFactoryIFrame file to be downloaded each few seconds for so long as you stay there.
Microsoft hasn’t stated what’s inflicting the issue, although it did acknowledge the continued blunder on this help message-board thread on Microsoft Answers. We perceive this flood of downloads impacts Safari on desktop Macs; it might additionally have an effect on browsers on iOS utilizing Safari’s WebPackage engine, resembling Microsoft Edge on iPads.
The Redmond large famous in a submit dated May 3, “We have recently received several reports that customers have the issue when they visit Outlook in a Safari browser on Mac it keeps downloading token factory iframe. We are doing research on our side to see if we can find any relevant information about the issue.” Microsoft has not responded to questions from The Register.
It appears the issue kicked off on May 2, with a number of customers posting to Microsoft’s assist boards to complain in regards to the problem. It seems widespread, too: this help board thread in regards to the downloads has been seen greater than 100,000 instances, has had tons of of replies, and means that as of immediately, the bug remains to be current. Users on Apple’s assist boards have additionally reported the issue.
Günter Born, an engineer and neighborhood moderator for Microsoft Answers in Germany, compiled netizens’ complaints right into a weblog submit, the place he stated that it seems the difficulty is a Microsoft one. “I’ve linked this article within my post in Microsoft Answers forum and asked the forum moderators to forward the issue to the responsible Microsoft product group – that’s all I can do,” Born stated.
According to feedback Born collected, the bug seems to solely occur when Safari customers level their browser at Office 365’s Outlook Web Access. One person who investigated the difficulty stated that they seen within the Safari developer console a “failed to load resource” error with a code of 400 (dangerous request) that pointed to a TokenFactoryIFrame. Multiple experiences point out the bug is occurring in the latest model of Safari (15.4), and a number of variations of macOS.
Several web sites have sprung up reporting to supply an answer to the “TokenFactoryIFrame Mac virus,” however there is not any indication the file accommodates malware. Multiple posters within the Microsoft Answers thread have stated the file is zero bytes in size.
Until Microsoft determines the reason for the issue and deploys a repair on its finish, it is potential to enact a workaround by setting Outlook365’s obtain preferences in Safari to disclaim, although notice that this can forestall all downloads from Outlook till it is toggled again.
Alternatively, use a unique browser to entry Outlook Web Access, or use the Outlook app, or the bundled Mail app for macOS. ®