purchase, have questions or need to register our support for aftersale
technical services, please contact:
technicians carefully tested due to software errors, please also include
the following information:
1. your system
configuration information, such as: CPU processor, RAM memory, OS
operating system, Excel version, and other information.
2. when errors
occur, specific descriptions. If screenshot user, please send us
3. what could be
causing this error how the error occurred, results in an error.