Describes the cause and action for error messages.
Error Message(English)：
pivot table does not show year
How to Change Date Formatting for Grouped Pivot Table Fields ...
https://www.excelcampus.com/pivot-tables/grouped-date-field-formatting/
Group or ungroup data in a PivotTable - Excel - Office Support
https://support.office.com/en-us/article/group-or-ungroup-data-in-a-pivottable-c9d1ddd0-6580-47d1-82・・・
Excel 2016 Pivot Table Date Display - Microsoft
https://social.technet.microsoft.com/Forums/office/en-US/71aba0ad-b9de-44d9-a753-b12b0c53370d/excel-・・・
Date Formatting in a Pivot Table - Microsoft Tech Community - 212645
https://techcommunity.microsoft.com/t5/Excel/Date-Formatting-in-a-Pivot-Table/td-p/212645
Pivot Table Date Grouping Tutorial: How to group on year, month ...
https://www.youtube.com/watch?v=24jr3ZUbQS4
https://www.youtube.com/watch?v=24jr3ZUbQS4
Pivot table cannot find difference between January current year to ...
https://stackoverflow.com/questions/28455881/pivot-table-cannot-find-difference-between-january-curr・・・
How to group date by month/year/quarter in pivot table in Excel?
https://www.extendoffice.com/documents/excel/2193-excel-group-by-month-year-quarter.html
Pro tip: Group an Excel PivotTable by dates - TechRepublic
https://www.techrepublic.com/article/pro-tip-group-an-excel-pivottable-by-dates/