Describes the cause and action for error messages.
Error Message(English)：
why excel does not remove duplicates
Excel - removing duplicates based on a second ...
https://superuser.com/questions/1313729/excel-removing-duplicates-based-on-a-second-column-criteria
microsoft excel - Remove Duplicates ...
https://superuser.com/questions/995653/remove-duplicates-inconsistently-choosing-which-records-to-de・・・
How do I delete repeated values (#Not remove ...
https://superuser.com/questions/987789/how-do-i-delete-repeated-values-not-remove-duplicate-values-i・・・
How to remove non-duplicate records in Excel ...
https://superuser.com/questions/705991/how-to-remove-non-duplicate-records-in-excel-2010
Filter for unique values or remove duplicate values - Excel
https://support.office.com/en-ie/article/filter-for-unique-values-or-remove-duplicate-values-ccf664b・・・
Find and remove duplicates - Excel - Office Support - Office 365
https://support.office.com/en-us/article/find-and-remove-duplicates-00e35bea-b46a-4d5d-b28e-66a552dc・・・
Remove duplicates fails to remove all duplicates - Excel 2013/16 ...
https://www.reddit.com/r/excel/comments/6tdg5c/remove_duplicates_fails_to_remove_all_duplicates/
2 Easy Ways to Remove Duplicates in Excel (with Pictures)
https://www.wikihow.tech/Remove-Duplicates-in-Excel
How to Remove Duplicate Values in Excel in Just 5 Steps
https://blog.nhlearningsolutions.com/blog/how-to-remove-duplicate-values-excel-in-5-steps