If you have an iPad, you may have this problem: How to save as a .CSV on iPad

iPadでExcelファイルを保存する方法（チュートリアル）

iPad用Excelでファイルを保存する方法

How to Convert Excel to CSV (Quick and Correct)

How to See my Excel Files on my iPad (tutorial)

How to Open Excel Files on iPad | How to Edit Excel Files on iPad

Microsoft Excel on iPad using the auto fill option

Convert a CSV File to Excel

Sharing Excel with Numbers on iPad

Understanding CSV Files

Save Single Google Sheet as a pdf on iPad

SIS students files to CSV to iPad

Excel スプレッドシートを PowerPoint プレゼンテーションに埋め込むと、自動的に更新されます。

How to export contacts to Excel on iPhone and iPad

CSV Dataviewer for Apple iPAD/iPhone

How to Export Contacts from iPad Mini 3 to CSV on Computer, Backup iPad Mini 3 Contacts to CSV

How to Save Files in Excel for iPhone

How to Convert Apple Numbers to Excel

How to import contacts from CSV on iPhone and iPad

How to Export iPad Pro Contacts to CSV on Computer Simply