I Want a Help on Converting .xlsx file to .csv file conversion in my application it self

I can't display.xlsx file in Listview .I want a solution for this Issue. Please Someone Help me....

Perhaps convert xlsx to google sheet, then you can export the data as csv to your app ?

Welcome.

One strategy is to convert your Excel spreadsheet to a Google sheet outside of App Inventor, then use Google sheets in your app. Here are some suggested ways 2. Sheets and Excel best practices - Google Docs Editors Help

there is extension for reading xls, but not xlsx.

is there any solution to read Excel file in listview?

is there any solution to read Excel file in listview?