...
When browsing in a file, the Generic import should recognize the file format, if the Format option has been set to Automatic. However, sometimes you will need to set the file format in the Format option. The Generic import also lets you select a Schema and an import area of your data set. You can define this import area under the Area of Interest tab.
For a more detailed explanation on how to import specific file formats using generic import see: Importing Grids, Importing Images or Generic import is used when: