Intuit Interchange Format

{{other uses|IIF (disambiguation)}}

{{unref |date=March 2024}}

{{Infobox file format

| name = Intuit Interchange Format

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| extension = .iif

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| mime = {{ubl|application/qbooks|application/qbookspro|text/iif}}

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The IIF file format, Intuit Interchange Format is a proprietary text file used by Intuit's Quickbooks software for importing and exporting lists and transactions.