Add or load a PowerPoint add-in Microsoft Support. If you download an add-in or if a co-work…1.Click the File tab, and then click O…2.In the Options dialog box, click Add-Ins.3.In the Manage list at the bottom o…4.In the Add-Ins dialog box, click Add Ne…5.In the Add New PowerPo… See more
Web These 15 PowerPoint add-ins are completely free for you to download..
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