
@Gulnar
1.In the user view, click the column -> column settings -> show/hide columns -> edit view columns.
2.Edit the user view according to the steps provided in the first question.
3.Based on your description, I understand that you want to only display items created by the user in the
user view. In the user view, click “Created by” column -> Filter by -> User’s name.
I don’t think it’s possible to prevent users from accessing all items view.
4.In the all items view, click “Created by” column -> Filter by -> Users’ names.
5.Please describe the problem more clearly.
6.You could go back to classic experience of the list, click Customize in InfoPath in the list tab of ribbon.
Reference:
Create, change, or delete a view of a list or library
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