The IIF file format, Intuit Interchange Format is a proprietary text file[1] used by Intuit‘s Quickbooks software for importing and exporting lists and transactions.
References
- ^ “What is IIF File Extension? QuickBooks IIF Extension Detailed”. www.whatisfileextension.com. Retrieved 2025-08-31.
External links
- “Intuit Interchange Format (.IIF) files”. QuickBooks Support. Intuit. 10 June 2016. HOW12778.