ISF File - opening and understanding

Did your computer fail to open an ISF file? We explain what they are used for and recommend software that we know can open or otherwise handle your .ISF files.

What is an ISF file?

The .isf file extension is most commonly associated with the Inspiration educational diagramming application. The ISF files contain flowcharts created with the software. These flowcharts are used by students to plan, research and finalize projects. The ISF files can be viewed as diagrams or text-based outline formats.

The .isf file extension is also used for InfoNet snapshot files, ModelPress highly compressed CAD model files, Tektronix instrument data files and ZerOS saved show files.

How to open ISF files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension ISF for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different ISF openers which you will find listed below.

Suggest another file format using extension ISF

While we know of one file format using the .ISF file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .ISF file.

Various viewers for this file format

These apps are known to open certain types of ISF files. Remember, different programs may use ISF files for different purposes, so you may need to try out a few of them to be able to open your specific file.

InspirationInspirationUser submitted
Inspiration International English EditionInspiration International English EditionUser submitted
QXDM ProfessionalQXDM ProfessionalUser submitted
MYRIAD 3D ReaderMYRIAD 3D ReaderUser submitted
Inspiration IntlInspiration IntlUser submitted
ModelPress ReaderModelPress ReaderUser submitted
Intangi IrisIntangi IrisUser submitted
External EditorExternal EditorUser submitted
OPTPiX imesta for Mobile & SocialOPTPiX imesta for Mobile & SocialUser submitted
Programming without coding technologyProgramming without coding technologyUser submitted
We have not verified any software that we know for certain will work with ISF-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with ISF-files. If you know one, please use the 'Suggest a program' link below and tell us about it!