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Naganjaneya Lakshman TadepalliNaganjaneya Lakshman Tadepalli 

What are limitations of data loader in salesforce?

William TranWilliam Tran
Use the Data Loader when: You need to load 50,000 to 5,000,000 records. If you need to load more than 5,000,000 records, we recommend you work with a Salesforce.com partner.

Here's a good guide.

https://na24.salesforce.com/help/pdfs/en/salesforce_data_loader.pdf

Thx
William TranWilliam Tran
Naganjaneya, if your question is answered, please choose best answer.

Thx
James DornJames Dorn
If you do not have enough limits of the standard Data Loader, you can use the alternative Skyvia tool (https://skyvia.com/data-integration/salesforce-data-loader)