Download of IIFImporter 1.0 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the program is AaaTeX Corp. Commonly, this program's installer has the following filename: IIFImporter.exe. We recommend checking the downloaded files with any free antivirus. The most popular version among the software users is 1.0. IIFImporter lies within Business Tools, more precisely Finances.
From the developer:
This program is used if you have IIF Files. If you have Excel, CSV or tab delimited then see the TransImporter.
You may want to check out more software, such as fBilling System, which might be similar to IIFImporter.