What is the data Import Wizard volume?

Up to 50,000 records at a time, CSV only.

What is the data Import Wizard objects?

Accounts, contacts, leads, solutions, campaign members, person accounts, custom objects.

Enterprise, Performance, Unlimited, Developer.

Salesforce ID or a field with the External ID attribute.

SOAP; select Use Bulk API for large asynchronous loads.

Importing, exporting and managing data at scale | Platform Administrator Study Guide

Fact	Detail	Source
Data Import Wizard volume	Up to 50,000 records at a time, CSV only	Data Import Wizard (opens in a new tab)
Data Import Wizard objects	Accounts, contacts, leads, solutions, campaign members, person accounts, custom objects	Data Import Wizard (opens in a new tab)
Data Loader volume	Files up to 5 million records	Data Loader (opens in a new tab)
Data Loader editions	Enterprise, Performance, Unlimited, Developer	Data Loader (opens in a new tab)
Upsert match key	Salesforce ID or a field with the External ID attribute	Data Loader upsert (opens in a new tab)
Default Data Loader API	SOAP; select Use Bulk API for large asynchronous loads	Configure Data Loader (opens in a new tab)
Mass Transfer / Mass Delete batch	Up to 250 records at a time	Mass Transfer Records (opens in a new tab)Notes on Mass Delete (opens in a new tab)
Mass Delete permission	Modify All Data	Notes on Mass Delete (opens in a new tab)
Recycle Bin retention	15 days, then scheduled for permanent deletion	Recycle Bin (opens in a new tab)
Hard delete	Records skip the Recycle Bin and cannot be undeleted	Configure Data Loader (opens in a new tab)
Export files available	48 hours after the email, excluding weekends	Export Backup Data (opens in a new tab)
Weekly export editions	Enterprise, Performance, Unlimited; others monthly	Export Backup Data (opens in a new tab)
Excluded from data export	Formula and roll-up summary fields	Export Backup Data (opens in a new tab)