In the COM Add-Ins dialog box, uncheck all add-ins other than Office Timeline (you can re-enable them one at a time later) and click OK.ĭ) Ensure you have the latest version of VSTO installedĪn outdated version of VSTO will cause performance issues with Office Timeline, regardless of the PowerPoint version you have. Select COM Add-ins from the Manage dropdown and click Go. To do so, please disable all other PowerPoint add-ins and keep only Office Timeline enabled b y following these steps: If the steps above didn't solve the issue, test whether other add-ins are causing the stability issues. Here, scroll down to Validate API Invocation (CallerCheck) and make sure it is turned OFF.Ĭ) Disable other add-ins and keep only Office Timeline enabledĬrashes and freezes may also occur because of conflicting add-ins. In the window that opens, on the Program Settings tab, locate " powerpnt.exe" and click on Edit. Open the Exploit Protection settings – simply type "Exploit Protection" in the Windows search box and click on the result.
If updating PowerPoint didn't solve your issue and you're on Windows 10, please reconfigure Exploit Protection for PowerPoint as follows:
On Windows 10 version 1709 and higher, there's a new feature called Exploit Protection that, although useful, can cause compatibility issues with certain programs and plugins, including the Office Timeline Add-in. In such cases, please contact your company's IT administrator.ī) Reconfigure Exploit Protection for PowerPoint on Windows 10 Note: If the Update Options button is missing and you see an About button instead, it may be either because your company is using a Group Policy for Office updates or because you have a volume license install. Under "Product Information", click on Update Options -> Update Now. Updating PowerPoint to the latest version should solve the problem in most cases. Sometimes, when trying to use certain Office Timeline commands in Office 365, PowerPoint for Office 365 freezes, crashes, or takes too long to apply your changes. To sort out the issue, please try the solutions below, in the order they are presented.
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