Data Loader Guide

Data Loader
When to Use Data Loader
Installing Data Loader
Configure Data Loader
Enable Bulk API
Data Loader Behavior with Bulk API Enabled
Keep Account Teams
Using Data Loader
Running in Batch Mode (Windows Only)
Command-Line Quick Start (Windows Only)
Data Loader Third-Party Licenses
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Enable Bulk API

Available in: both Salesforce Classic (not available in all orgs) and Lightning Experience
Available in: Enterprise, Performance, Unlimited, and Developer editions

Bulk API is optimized to load or delete a large number of records asynchronously. It is faster than the SOAP-based API due to parallel processing and fewer network round-trips. By default, Data Loader uses the SOAP-based API to process records.

To configure Data Loader to use Bulk API for inserting, updating, upserting, deleting, and hard deleting records:

  1. Open Data Loader.
  2. Choose Settings | Settings.
  3. Select the Use Bulk API option.
  4. Click OK.
  • You can also select the Enable serial mode for Bulk API option. Processing in parallel can cause database contention. When contention is severe, the load can fail. Serial mode processes batches one at a time, however it can increase the processing time for a load.
  • Caution: You can hard delete records when you configure Data Loader to Use Bulk API. Keep in mind that hard deleted records are immediately deleted and can’t be recovered from the Recycle Bin.

Note