The state of a Web Parts page that determines the range of users to which personalization changes apply. The WebPartManager control determines the personalization scope for a Web Parts page. The PersonalizationScope enumeration provides two possible scopes (Shared and User) that a page can be in at any given time. In shared scope, personalization changes made to shared controls apply to all users. In user scope, personalization changes made to shared and per-user controls apply only to the specific user.