How to Convert CSV/QBO to IIF for QuickBooks Import

Step-by-step guide to convert CSV or QBO files to IIF format for QuickBooks. Learn the IIF import process.

IIF (Intuit Interchange Format) is a specialized format used by QuickBooks Desktop for importing transactions, customers, vendors, and other data. This guide shows you how to convert CSV or QBO files to IIF format.

What is IIF Format?

IIF is a tab-delimited text format developed by Intuit specifically for QuickBooks Desktop. It allows you to import various types of data including transactions, chart of accounts, customers, and vendors.

Why Convert to IIF?

• Direct import into QuickBooks Desktop
• Import multiple data types at once
• Bulk import capabilities
• Preserves data relationships
• Faster than manual entry

Step 1: Prepare Your Source File

Start with either a CSV file or QBO file containing your transaction data. CSV files are common exports from banks, while QBO files come from QuickBooks exports.

Step 2: Upload Source File