Data Loader vs Data Import Wizard: What’s the Difference?
When working with data in Salesforce, two tools stand out for importing, updating, and managing records: Data Import Wizard and Data Loader. While both are powerful in their own right, they serve different purposes and user needs.
In this blog, we’ll break down the key differences between Data Loader and Data Import Wizard, helping you understand when and why to use each.
What is the Data Import Wizard?
Data Import Wizard is a browser-based tool built directly into Salesforce. It’s designed for non-technical users who need to import a small to medium amount of data with ease.
Best for:
- Simple imports (e.g., Accounts, Contacts, Leads)
- Users who prefer a guided, step-by-step interface
- Uploads of up to 50,000 records
Key Features:
- Supports standard and some custom objects
- Easy-to-use interface with mapping suggestions
- Avoids duplicates using matching rules
- No installation required—completely web-based
What is Data Loader?
Data Loader is a client application that must be installed on your computer. It’s designed for power users and admins who need to work with large volumes of data and require more flexibility.
Best for:
- Complex or large data operations
- Import/export of up to 5 million records
- Use cases needing automation (via CLI or scheduled jobs)
Key Features:
- Supports insert, update, upsert, delete, export
- Works with all standard and custom objects
- Enables use of CSV files and bulk API
- Supports command-line operations for automation
Data Import Wizard vs Data Loader: A Quick Comparison
| Feature | Data Import Wizard | Data Loader |
| Interface Type | Web-based (inside Salesforce) | Desktop application |
| Installation Needed | No | Yes |
| Max Records Supported | 50,000 | 5 million+ |
| Object Support | Limited standard/custom objects | All standard and custom objects |
| Duplicate Management | Yes (for some objects) | Manual control |
| Scheduling & Automation | No | Yes (via command line) |
| User Type | Beginner to Intermediate | Advanced/Admin users |
When to Use Which?
- Use Data Import Wizard when:
- You’re importing Leads, Contacts, Accounts, or other common objects.
- You need a user-friendly interface without installing anything.
- You’re working with smaller datasets (less than 50,000 records).
- Use Data Loader when:
- You’re dealing with large volumes of data.
- You need to update or delete existing records in bulk.
- You require automation or scheduled data loads.
Conclusion
Both Data Import Wizard and Data Loader are valuable tools for managing data in Salesforce. The key is understanding what your needs are and choosing the tool that fits best.
Whether you’re a Salesforce beginner importing a few contacts or an admin managing millions of records across objects, Salesforce has a tool for you.