Describes the cause and action for error messages.
Error Message(English)：
spreadsheet too many columns
How to Limit Rows and Columns in an Excel Worksheet - Lifewire
https://www.lifewire.com/limit-rows-and-columns-in-excel-4178646
Locate and reset the last cell on a worksheet - Excel - Office Support
https://support.office.com/en-ie/article/locate-and-reset-the-last-cell-on-a-worksheet-c9e468a8-0fc3・・・
How many is too many columns (safely) in Excel? - Stack Overflow
https://stackoverflow.com/questions/9424630/how-many-is-too-many-columns-safely-in-excel
In Visual Basic (Excel) Columns select too many columns
https://stackoverflow.com/questions/38903622/in-visual-basic-excel-columns-select-too-many-columns
Opening Excel with many columns
https://stackoverflow.com/questions/12273290/opening-excel-with-many-columns
How to find out how many rows and columns to read from ...
https://stackoverflow.com/questions/4562527/how-to-find-out-how-many-rows-and-columns-to-read-from-a・・・
How to delete multiple empty columns quickly in Excel? - ExtendOffice
https://www.extendoffice.com/documents/excel/823-excel-delete-multiple-empty-columns.html
Copy table with too many columns from Excel to Word - YouTube
https://www.youtube.com/watch?v=ZPg-H9o9L58
https://www.youtube.com/watch?v=ZPg-H9o9L58