Updating the Office Integration add-in after a new release These steps are required if Infor EPM is updated to a new version. Download the latest add-in file. Close all instances of Excel and Word. Replace the existing add-in file with the downloaded file. Clear the Office cache. See https://docs.microsoft.com/en-us/office/dev/add-ins/testing/clear-cache. Open Excel or Word and load the new add-in file. Additional steps are required if you have existing reports and you want to switch between different versions of the add-in.