Outlook web add-in manifest change to support mobile devices (mobileFormFactor) installation fails
问题 I'm trying to enable outlook web add-in for mobile by making below changes in manifest file but the installation fails and throws below error. Error Message: Manifest file: <?xml version="1.0" encoding="UTF-8"?> <!--Created:ce44715c-8c4e-446b-879c-ea9ebe0f09c8--> <OfficeApp xmlns="http://schemas.microsoft.com/office/appforoffice/1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:bt="http://schemas.microsoft.com/office/officeappbasictypes/1.0" xmlns:mailappor="http://schemas