Describes the cause and action for error messages.
Error Message(English)：
automatically circle invalid data
VBA Excel preserve Circle invalid data after saving and ...
https://stackoverflow.com/questions/42364043/vba-excel-preserve-circle-invalid-data-after-saving-and・・・
Find invalid data validation cells
https://stackoverflow.com/questions/39278079/find-invalid-data-validation-cells
If my sheet has invalid data trigger dialog box
https://stackoverflow.com/questions/18191210/if-my-sheet-has-invalid-data-trigger-dialog-box
CircleInvalid and ClearCircle methods for a particular cell in ...
https://stackoverflow.com/questions/8169128/circleinvalid-and-clearcircle-methods-for-a-particular-c・・・
How To Circle Invalid Data In Excel - YouTube
https://www.youtube.com/watch?v=QDphNLN49l0
https://www.youtube.com/watch?v=QDphNLN49l0
How to circle invalid data in Excel? - ExtendOffice
https://www.extendoffice.com/documents/excel/1866-excel-circle-invalid-data.html
Data validation in Excel: how to add, use and remove - Ablebits.com
https://www.ablebits.com/office-addins-blog/2017/08/16/data-validation-excel/
What is data validation in ...
https://www.ablebits.com/office-addins-blog/2017/08/16/data-validation-excel/#what-is-data-validatio・・・