How to open DII files

Did your computer fail to open a DII file? We explain what DII files are and recommend software that we know can open or convert your files.

What is a DII file?

The DII file extension indicates to your device which app can open the file. However, different programs may use the DII file type for different types of data.

We are aware of 1 different use of the DII extension, which you can read more about below.

Summation Document Image Information Load File

Through our analysis of DII files, we know that one use of the format is Summation Document Image Information Load File. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!