Intuit Interchange Format

Intuit Interchange Format
Intuit Interchange Format
Filename extension	.iif
Internet media type	application/qbooks; application/qbookspro; text/iif;

Last updated October 07, 2025

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.

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[1] "What is IIF File Extension? QuickBooks IIF Extension Detailed". www.whatisfileextension.com. Retrieved 2025-08-31.

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