Help! I Can’t Open ETFF Files!

There are many reasons why your ETFF file might not open on your computer. If you have ETFF files that don’t open when you double-click it, ask yourself the following questions...

Download Universal File Viewer (File Magic) 

Optional Offer for File Magic by Solvusoft | EULA | Privacy Policy | Terms | Uninstall


Do I have the right program?

If you don’t have a program installed on your computer that’s compatible with ETFF files, you won’t be able to open one. See if you have one of the most common programs associated with ETFF files listed below.

  • Theme Maker Theme Maker

What type of file is it?

When you can’t open ETFF files, try to figure out the file type. This can help you find the right program to open it. Usually, ETFF files are considered Settings Files. However, you can look up the file type to be sure. Start by right-clicking the file icon and clicking “Properties” (“More Info” if you’re on a Mac). Then look for the file type under “Type of File” (“Kind” on a Mac).

Can a developer help?

When you can’t open ETFF files, a software developer might be able to help. The developers for the programs mentioned above are as follows:

Software Developer
Theme Maker Theme Maker Encrypt4allSoftware

Try contacting one of these developers to find out how you can open your ETFF file.

Can I use a universal file viewer?

A universal file viewer is the way to go when you have ETFF files that can’t be opened by any other program. Install a universal file viewer like File Magic (Download) and see if it will open your ETFF file. Remember that if your file is not compatible, the universal file viewer will only open it in binary format.


Recommended Download

File Magic



Download Universal File Viewer (File Magic) 

Optional Offer for File Magic by Solvusoft | EULA | Privacy Policy | Terms | Uninstall