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.QIF File Extension


File Type 1 Quicken Interchange Format File  (Most common)
File Format File
Common? No
File Description ASCII text file generated by Quicken financial software; contains a user's financial accounts in a text format; used to transfer data between different Quicken data files or from a financial institution's website to Quicken software.

The QIF format was originally developed by Intuit, but it is now supported by several financial and accounting programs.
Program(s) that open qif files Mac: Intuit Quicken
Windows: Intuit Quicken; Microsoft Money

File Type 2 QuickTime Image File
File Format Proprietary File
Common? No
File Description Image file created and compressed by Apple QuickTime; sometimes referenced by QuickTime movies (.MOV files); uses the same atom types as a QuickTime movie: "idsc" (contains the image description) and "idat" (contains the image data).

QIF image files use a single fork, not a resource fork and data fork like some Macintosh files, so they work well in cross-platform applications.
Program(s) that open qif files Mac: Apple QuickTime Viewer or Player
Windows: Apple QuickTime Viewer or Player; ACDSee Photo Manager

Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/qif