Describes the cause and action for error messages.
Error Message(English)：
macro cannot open file
Cannot open PivotTable source file
https://stackoverflow.com/questions/33375792/cannot-open-pivottable-source-file
How to get Excel to require user to allow macro else cannot ...
https://stackoverflow.com/questions/21163961/how-to-get-excel-to-require-user-to-allow-macro-else-ca・・・
Error 1004 -Cannot open file . when I try to open workbooks ...
https://stackoverflow.com/questions/21123531/error-1004-cannot-open-file-when-i-try-to-open-workbook・・・
Excel VBA can't open Workbook
https://stackoverflow.com/questions/7693530/excel-vba-cant-open-workbook
[FIXED] Excel Cannot Open the File Because The Extension Is Not ...
https://www.easeus.com/file-recovery/excel-cannot-open-the-file.html
Corrupted Microsoft Excel Macro-Enabled Workbook xlsm file ...
https://www.mathworks.com/matlabcentral/answers/216141-corrupted-microsoft-excel-macro-enabled-workb・・・
Change macro security settings in Excel - Excel - Office Support
https://support.office.com/en-us/article/change-macro-security-settings-in-excel-a97c09d2-c082-46b8-・・・
Repairing a corrupted workbook - Excel - Office Support - Office 365
https://support.office.com/en-gb/article/repairing-a-corrupted-workbook-7abfc44d-e9bf-4896-8899-bd10・・・
Excel 2016 cannot open files created by itself! - YouTube
https://www.youtube.com/watch?v=bM7UOkqQTqw