How to make display header width fixed?

Help & Support
1

image
I have a folder whose Name bar is too wide, if have tried to adjust it manually, but each time I reopen it, the width will retore

2

image
Uncheck this option does not help, this checkbox will automic be checked after you reopen folder

3

You need to change the default format.

How? Look here: Folder Formats: Quick Guide