Quicken itself (all Windows versions up to the latest 2017 and Quicken for Mac 2007 (including Lion edition). The QIF file format is supported by various financial applications (some of them listed below): Was introduced by Quicken a long time as a way to transfer financial data between other software and Quicken, between bank downloads and Quicken, and is still very useful. QIF stands for Quicken Interchange Format.
