Intuit Interchange Format

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

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.

As of 2004, QuickBooks can also import data using the XML-based qbXML file exchange format. The MIME‑types associated with .iif files are application/qbooks, application/qbookspro, and text/iif.[1]


  1. ^ "IIF file extension: QuickBooks interchange format file". Archived from the original on 23 March 2016.

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