To apply text wrapping to multiple cells or columns, simply highlight those cells before you update the setting

Click on the appropriate cell in your spreadsheet.

Navigate to your spreadsheet in Google Sheets.

Google Sheets is a powerful online tool to help you do quantitative analysis. Learn how to use formulas to manipulate and analyze datasets, such as Google Sheets' COUNTIF and SUMIF functions, among many others.

sheets.google.com

This Scribe shows you how to wrap text inside of a cell in Google Sheets. 

How to wrap text in Google Sheets