The Persistence of Folder Attributes

Hi, just wondering if what you're seeing is related to this:
Change folder view template for all folders in Windows 10

“Note that despite setting these views, Explorer still remembers the views of individual folders that you change later after clicking "Apply to Folders". For example, if you set Pictures folder to Extra Large Icons and then clicked "Apply to Folders" then by default, any folders containing Pictures will now have Extra Large icons view. But if you were to change one of your specific folders containing Pictures to Medium icons, Explorer will remember that view for that particular folder.

In addition, when you access any folders from their Libraries, the folders will always follow the parent library's view. So if you directly opened the My Documents folder at C:\Users\<your user name>\Documents, then it will show you the view you've set. But if you access the same folder from the Documents Library, it will show you in the view that you use for the Documents Library.”

My - probably limited- understanding of the default folder templates is that you
a. Can't create a new one
b. Can't amend the existing ones
See e.g. discussion here:
Changing Built-In Folder View Templates For Windows Explorer

By way of comparision: example of adding a column header for a number of folders:
https://answers.microsoft.com/en-us/...b-5981a6ae7a0a

Apply Folder View to All Folders of Same Type in Windows 10

Note this useful tutorial- if things go wrong or it seems no longer possible to change a folder view:
Reset Folder View Settings to Default in Windows 10

And this may be of interest:
Backup and Restore Folder View Settings in Windows 10

However after I've changed all the attribute columns to the ones I want (Size and Length), everything stays as I've set them, until I later decide to add or subtract or change another folder or file within that set of folders/files. Then it decides to reset all the attributes back to the original (default, I guess) ones pre-ordained by the god known as MS.

I set up a folder and some subfolders on my desktop, and added certain items as column headers in a couple: the topmost folder I designated as Music, the others, General, bar 1 as Pictures.
I tried logging off, on and making changes.

I saw nothing untoward.
Tried again with all folders as Music.
Are you seeing only subfolders of the folder whose columns you are changing affected?

Perhaps your folders are located differently, or there's some other factor..

As a general comment, the folder template concept does seem incompletely developed.