User Interface
In Salesforce, the visual presentation layer that users interact with, including Lightning Experience (modern), Salesforce Classic (legacy), the Salesforce Mobile App, and custom interfaces built with Visualforce or LWC.
Definition
In Salesforce, the visual presentation layer that users interact with, including Lightning Experience (modern), Salesforce Classic (legacy), the Salesforce Mobile App, and custom interfaces built with Visualforce or LWC.
In plain English
“The User Interface (UI) in Salesforce is the visual layer users interact with. The main options are Lightning Experience (modern), Salesforce Classic (legacy), and the Salesforce Mobile App. Most modern work uses Lightning Experience.”
Worked example
Brackenfield Software has 800 users on Lightning Experience as their primary User Interface - the modern Salesforce UI with App Launcher, dynamic record pages, and the Lightning Component framework. A small team of 30 still uses Salesforce Classic (the legacy UI) for niche workflows that haven't been ported. The Salesforce Mobile App is the User Interface for field reps on iPhones. Custom Visualforce pages and Lightning Web Components extend the User Interface for company-specific use cases. The User Interface is the visual presentation layer; under the hood, the data and business logic are the same.
Why User Interface matters
In Salesforce, the User Interface is the visual presentation layer that users interact with, including Lightning Experience (modern), Salesforce Classic (legacy), the Salesforce Mobile App, and Experience Cloud sites for external users. The UI determines how users see and interact with Salesforce data and features.
Lightning Experience is the current, actively-developed UI with modern design, component-based architecture, and ongoing feature additions. Salesforce Classic is the legacy UI that still works but receives limited new features. Mature orgs have migrated to Lightning Experience for the modern experience and continued platform investment.
How organizations use User Interface
Migrated to Lightning Experience for the modern UI and continued feature investment.
Uses Lightning Experience as their standard UI with the mobile app for field users.
Helps clients still on Classic plan migration to Lightning.
Test your knowledge
Q1. What are Salesforce's main UIs?
Q2. Which is the current standard?
Q3. Why migrate to Lightning?
Discussion
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