Within QuickBooks, you can use .IIF files to accomplish several tasks, including those shown below. These articles will assist you in using ..IIF files:
CAUTION: Before performing any of the following tasks, create one or more backups of your data file(s).
NOTE: Intuit does not provide live, phone support for creating or importing .IIF files, however, there are resources available if help is needed:
If you employ the QuickBooks Pro Timer to track employee time, use the .IIF transfer data.
In some cases, you can bulk edit list element information (data) for customers, vendors, items or other list entries.
Many businesses have large inventory lists provided by a few vendors. You can update these lists with an .IIF from your vendor. Simply import the file into your company file (backup your file first) to record the changes.