While working on a project recently, I thought about hiding the close button which is at the top of the VBA UserForm. I managed to identify three options for
ActiveX CommandButton Control VBA - Explained with Examples
VBA UserForm Controls - A Guide for Everyone - Excel Macro Mastery
How to Create an Input Box With Multiple Inputs in Excel Using VBA
How to create an auto-close VBA in the Access app - Quora
Hide UnHide Rows in Excel Worksheet using VBA - Examples and Codes
excel - Progressbar inside userform - Stack Overflow
Hide or disable a VBA UserForm [X] close button - Excel Off The Grid
Create Excel UserForms For Data Entry In 6 Easy Steps: Tutorial
Microsoft Excel VBA: The Properties Window
Remove Window Border Title Bar around UserForm with VBA
How to hide or disable close button in excel VBA user form - Quora