Hi, NAV2017 does not have a app store like AppSource that can be installed directly. You need to customize it. If you want to clean it manually, just clear it from the user card.
USE [Database Name]
GO
delete from [dbo].[User]
delete from [dbo].[Access Control]
delete from [dbo].[User Property]
delete from [dbo].[Page Data Personalization]
delete from [dbo].[User Default Style Sheet]
delete from [dbo].[User Metadata]
delete from [dbo].[User Personalization]
Hope this helps.
Thanks.
ZHU
Under review
Thank you for your reply! To ensure a great experience for everyone, your content is awaiting approval by our Community Managers. Please check back later.