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Flash, Silverlight, and Shockwave controls blocked in Microsoft Office
For security reasons new builds of Microsoft Office for Microsoft 365 on Windows block activation of Flash, Silverlight, and Shockwave controls. Most users won't be impacted, but for some users this may cause one of the following issues: When you click on an embedded Flash movie in PowerPoint Slide Show, nothing happens even though this worked before. Power View in Excel does not work anymore ...