大量のデータを効率的に整理・管理するのに便利なエクセル（Excel）ですが、誤って重複したデータを入力してしまった場合などに、重複データを削除する方法はご存知でしょうか？目視で重複データを探して削除することもできますが、データ量が増えれ ...

Excel 2013 can locate duplicate rows as long as one column contains a unique identifier for each record, such as a product ID or account number. By referencing this identifier, you can find duplicates ...

The article, How to highlight unique values in Excel, shows two easy ways to apply conditional formatting to unique values or the row that contains a unique value. In this article, we’ll do the same ...

How to remove duplicate Excel records before running a mail merge with Word Your email has been sent Sending the same letter to a few people is easy, and you can probably have them all addressed and ...