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Glossary

IIF (Intuit Interchange Format)

Also known as: .iif, Intuit Interchange Format

Intuit's tab-delimited text format used by QuickBooks Desktop to import lists and transactions.

What it means

IIF is a QuickBooks-specific tab-delimited format used to import chart-of-accounts, customers, vendors, and transactions into QuickBooks Desktop. It is often exported by legacy tools and needs to be converted to CSV or Excel for review, cleanup, or migration to non-Intuit accounting systems.

Converters that use IIF (Intuit Interchange Format)

IIF to CSV Converter

Convert QuickBooks IIF files to CSV free. Runs in your browser — no uploads.

IIF to Excel Converter

Convert QuickBooks IIF files to Excel (XLSX) free, entirely in your browser.

Related terms

QBO (QuickBooks Web Connect)CSV (Comma-Separated Values)XLSX (Microsoft Excel Workbook)

More from the glossary

PDF Bank StatementCSV (Comma-Separated Values)XLSX (Microsoft Excel Workbook)OFX (Open Financial Exchange)QFX (Quicken Financial Exchange)QBO (QuickBooks Web Connect)QIF (Quicken Interchange Format)Tally XML