Describes the cause and action for error messages.
Error Message(English)：
monthview control missing excel 2013
https://www.youtube.com/watch?v=JtRQC5qnrHQ
UserForm ActiveX Date & Time Picker Missing? Here's how to get it ...
https://www.youtube.com/watch?v=d3ZYp9G0GAA
https://www.youtube.com/watch?v=d3ZYp9G0GAA
How to install the Calendar and date picker on your toolbox - YouTube
https://www.youtube.com/watch?v=zDAlG3qBW94
https://www.youtube.com/watch?v=zDAlG3qBW94
Installing the Date Picker (Microsoft Excel) - Excel Ribbon Tips - Tips.Net
https://excelribbon.tips.net/T002080_Installing_the_Date_Picker.html
Excel 2013 Popup Calendar - MSDN - Microsoft
https://social.msdn.microsoft.com/Forums/office/en-US/36f83f24-cd76-4f8e-aa7b-5f166666e7d3/excel-201・・・
Excel VBA - ActiveX Control - MonthView not available under ...
https://social.technet.microsoft.com/Forums/ja-JP/dad32996-2ddb-41cb-b71c-98967218bb0d/excel-vba-act・・・
How to get excel popUp calendar? - Stack Overflow
https://stackoverflow.com/questions/12778567/how-to-get-excel-popup-calendar