The invalid value 'XYZ' was specified for the 'EmailAddress' element: This error indicates that an item failed to migrate because one of its property is invalid. Often, the error will include characters that are clearly corrupt. Sometimes, the error may include a string that looks valid, but in fact contains invalid hidden or white space characters. As a result, the Destination system is rejecting the item. We often find that affected items were created by defective third-party applications (like business card scanning software which creates contacts with a corrupt email address).