If File Explorer columns are too wide or narrow, you can change the size of column width in Windows 11/10 Explorer. Here's how to do it using 4 ways.

While Windows has yet to introduce the functionality to display folder size in the Size column, you can use a third-party application called Windhawk to achieve this feature.

If you want to resize or adjust Column Width in Outlook manually by yourself, you will have to disable automatic sizing as explained in this post.